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Adult Immunization
                    Dr Abhay Dhanorkar




2/15/2013                                1
Scope

•   Definition
•   Introduction
•   Rationale for Adult Immunization (AI)
•   Disease burden of VPD in USA & Scenario in India
•   Recommendations for Adult Immunization in USA & India
•   Adult Immunization monograph by API – 2008
•   Recommended Vaccines in India
•   Challenges in adult immunization
•   Standards for Adult Immunization Practices
•   Recommendations by CDC
•   References
2/15/2013                                                   2
When meditating over a disease,
    I never think of finding a remedy for it,
    but, instead, a means of preventing it.
                         Louis Pasteur
                         (1822-1895)


2/15/2013                                       3
Definition

• Immunization refers to the artificial
  induction of immunity. It can be by
    Active Immunization: the use of live
     attenuated infectious agents or
     inactivated toxins, or antigens obtained
     by genetic recombination OR
    Passive Immunization: temporary
     immunity obtained by the administration
     of immunoglobulins or antitoxins.

 2/15/2013   Source : Dictionary of Public Health, J Kishore - 2007   4
What is Immunization?

             Administration of all or part of micro
            organism or modified product resulting in
            protection against the disease.




2/15/2013                                               5
Introduction

• Certain vaccines are routinely
  recommended for all infants and
  children in India.
• These include BCG, Diphtheria, Pertussis
  and Tetanus vaccine (DPT), Oral Polio
  Vaccine (OPV),HBV, Measles .
• Vaccine against H.Influenza
  (Hib), JE, Chickenpox, herpes
  Zoster, Human Papilloma Virus
  , Rotavirus diarrhea etc. are optional.
2/15/2013                                    6
Vaccine-preventable infectious agents or diseases




 Draft - Global vaccine action plan May 2012 - WHO
 2/15/2013                                           7
Introduction cont…


  • Smallpox eradicated in 1978 from
   India
  • On the verge of polio eradication.
  • Infant/Childhood immunization –
    one of the top public health success
    stories of the 20th century
  • The prevalence of
    Diphtheria, Pertussis, tetanus, measl
    es, mumps, rubella, poliomyelitis are
    reduced.
  2/15/2013                                 8
Rationale for Adult
               Immunization
 • Build on success of infant/childhood, adolescent
   immunization program.
 • Not vaccinated earlier, booster.
 • New vaccines targeted at adults.
 • Ageing : more susceptible.
 • Increasing Antimicrobial Resistance.
 • Recognition of the burden of adult vaccine-
   preventable disease.
 • No equivalent “Vaccines for Adults” program.
 • Few settings in which vaccination is “required.”
2/15/2013                                             9
Disease BurDen of vpD’s in usa

• Influenza
    >200,000 hospitalizations per year
    36,000 deaths
    >90% in persons 65 years and older
     with comorbid conditions
• Invasive Pneumococcal Disease
    Cases: 42,000 (14.0/100,000)
    Deaths: 4,500 (1.5/100,000)
    Rates higher in elderly

http://www.cdc.gov/ncidod/dbmd/abcs/survreports.spneu.
2/15/2013                                                10
     pdf
Disease BurDen usa cont…

• Hepatitis B
   51,000 new infections/yr; 95% in adults
   2,000 – 3,000 deaths/yr
    ~1.25 million with chronic HBV infection
• Human Papillomavirus (HPV)
      At least 70% of sexually active persons
          acquire genital HPV infection at some
          point in their lives
      ~20 million currently infected
      6.2 million new infections/year
      ~ >11,000 new cervical cancer cases/year
2/15/2013                                         11
Disease BurDen usa cont…

• Herpes Zoster (Shingles)
      Reactivation of varicella zoster virus
      Associated with normal aging and reduced
       immunocompetence
      Lifetime risk of 20%
      ~ 1 million cases/yr
• Pertussis
      Of >25,000 cases reported in 2009, >7,000
       were in adults
      Source of infant infection often an older
       child or adult
            • 71% household contact
2/15/2013                                          12
scenario of vpD’s in india


Diphtheria
• Overall cases of Diphtheria reduces
            • 1980 – 39231
            • 2005 – 10231
            • 2009 – 3480
• Study in Hyderabad shows that annual incidence
  increases from 11 to 23/lakh from 2003 to 2006 in 5 –
  19 years.
• Study for Protective levels of antibodies in Delhi shows
       121 pregnant women – 94% have protective Ab titer
                               (>0.125U/ml)
       574 adults – 87% have protective Ab titer
2/15/2013                                                   13
VPD’s in India cont…

   Tetanus
   • Total cases in India
          1980 – 45948 cases
          2007 – 7005 cases
   • Study in Pondicherry for protective level of
     Tetanus Ab (> 0.15U/ml)
          21 - 30 years – 50.4% (105/208)
          31 – 40 years – 29.4%(58/198)
          > 41 years – 2.2% (5/224)
   Pertusss
          1987 -163000 cases
          2009 – 55074 cases
   Meningococcal Meningitis cases (2009) in 9 states
          Cases – 6386
          Deaths – 460

   2/15/2013                                           14
VPD’s in India cont…

   Hepatitis – A
   • Study by Mall in 5 cities (Kolkota,
     Cochin, Indore, Jaipur & Patna) shows
     adult population was at risk of HAV as low
     level of anti HAV antibodies
   • Study by Dhawan et al – seroprevalance
     for protective anti HAV antibodies
         High socioeconomic class – 54.5%
         Low socioeconomic class – 85%
   • Study by Jindal in Medicos at Delhi – 66%
     with low anti HAV antibodies
   2/15/2013                                      15
VPD’s in India cont…


   Hepatitis – B
   • Hepatitis – B prevalence in India - 1-2%
     (Lodha et al)
   • Study by Murhekar in 2001 at Andaman in
     healthy people
          HBsAg +ve – 1.6% &
          Anti HBs +ve – 18%
   • Overall chronic HBsAg +ve rate in India is
     4.7%
   • Meta-analysis by Biswas D et al. shows
     prevalence of Hep – B in
          Non tribal – 2.4%
          Tribal – 15.9%
   2/15/2013                                      16
VPD’s in India cont…

   Human Papilloma Virus (HPV) Infection
   • Nearly 80% of sexually active women & men are
     infected with HPV.
         World – 5,00,000 new cases/year. (CaCx)
         India – 1,32,000 new cases & 74,000 deaths per year
   Pneumococcal
   • Study by International Clinical Epidemiology
     Network (INCLEN) shows case fatality rate in
     south India due to
         Pneumococcal Pneumonia – 19%
         Pneumococcal bacterimia – 21%
         Pneumococcal meningitis – 34%
   • 23% of IPD patients were > 50 years
   2/15/2013                                                17
2012 ACIP Adult Immunization Schedule, Age-Based Recommendations - USA




   2/15/2013                                                     18
2012 ACIP Adult Immunization Schedule- Medical/Occupational
         and Behavior-Based Recommendations (USA)
              Pregn Immunoco     HIV &           Men      Heart        Aspleni    Chro    Diabete    Health
                                                 having   disease, c   a                  Kidney
              ancy mpromisin     CD4
                                                 sex      hronic       includi
                                                                                  nic
                                                                                          failure,   -Care
                    g            Count                    lung                    liver
                    conditions                   with     diseases,
                                                                       ng                 ESRD, o    perso
                                                 men                   elective   dise    n
                    excluding    <200    >200             chronic
                                                                                  ases
                                                                                                     nnel
                                 cell/   cell/   (MSM)    alcoholic    Splenec            hemodi
                    HIV          µl      µl                            tomy               lysis




2/15/2013                                                                                            19
ACIP Adult Immunization Schedule, Age-Based
                Recommendations, INDIA
Vaccine / Age group               19-26 yrs   27-49 yrs     50-59 yrs   60-64 yrs   > 65 yrs
                                     Substitude one time dose of Tdap with Td,      Td booster
Tetanus, Diptheria, Pertussis (Tdap)                                                every 10 yrs
                                     then booster with Td every 10 years

   Human Pappiloma Vaccine         3 doses

            Varicella                                       2 doses
             Zoster                                                              1 dose
    Measles, Mumps, Rubella            1 or 2 doses                      1 dose
            Influenza                                               1 dose annually
  Pnemococcal (Polysaccharide)                     1 or 2 doses                      1 dose
           Hepatitis A                                      2 doses
           Hepatitis B                                      3 doses
         Meninngicoccal                                1 or more doses
  Recommended if some risk factor is present
   All persons who meet the age criteria
  2/15/2013                                                                                20
   No recommendation
Adult Immunization based on medical and other indications (INDIA)
                                    Immunoco                       Diabetes,                        Kidney
                                                HIV infection heart            Asplenia
                                    mpromise                                                     failure, end Health
      Indications                                  with CD4                   (excluding Chronic
                                         d                          disease,                     stage renal care
                          Pregnancy                   count                    elective   liver
                                    conditions                      chronic                      disease, on professi
                                                                             splenectomy disease
                                    (Excluding <200         >200
                                                                      lung                       hemodialysi onals
    Vaccine                                                                        )
                                       HIV)     cells/ µl cells/ µl disease                            s
   Tetanus, Diptheria,                 Substitute one time dose of Tdap with Td, then booster with Td every 10
                              Td                                             years
     Pertussis (Tdap)
   Human Pappiloma
                                                     3 doses for females through age 26 years
         Vaccine
        Varicella              Contraindication                                  2 doses
         Zoster                Contraindication                           1 dose
Measles, Mumps, Rubella        Contraindication                     1 or 2 doses
                                                                                                            1 dose TIV
        Influenza                                   1 dose TIV annually                                     or LAIV
      Pnemococcal
    (Polysaccharide)
                                                               1 or 2 doses
      Hepatitis A                                  2 doses
       Hepatitis B                                                    3 doses
    Meninngicoccal              1 or more doses
   Recommended if some risk factor is present
    All persons who meet the age criteria
   2/15/2013                                                                                                  21
    Contraindication
Adult Immunization recommended in india


Tdap                    MMR
Influenza               Pneumococcal
Hepatitis B             Hepatitis A
Varicella               HPV (cervical cancer)
Meningococcal           Herpes Zoster



2/15/2013                                    22
Diphtheria, Tetanus, Pertussis
Vaccines
• Two Tdap Vaccines are available for use in those
  who are more than 10 years of age.
      [i] Adacel contains tetanus toxoid, diphtheria
       toxoid, and five pertussis antigens;
      [ii] Boostrix contains tetanus toxoid, diphtheria
       toxoid, and three pertussis antigens.
• Efficacy of Tdap vaccine - 92% in a recent RCT.
Recommendations
• For adults in the age group of 18 to 64 years
      Three dose series if never vaccinated at 0 and 4
       weeks, the third 6-12 months after second
      One dose booster of Tdap every 10 years

2/15/2013                                                  23
Tdap cont…


 • Health care personnel, especially those in
   direct contact with the patients, who have not
   received Tdap vaccine should receive a single
   dose of Tdap vaccine if 2 years or more have
   elapsed since the last dose of Td vaccination.
 • Women planning pregnancy should receive
   one dose of Tdap vaccine if they had not
   received it previously.


 2/15/2013                                      24
Tdap cont…

 • For Pregnant Women
          Last dose           Recommendation
         > 10 Years      1 dose in 2nd or 3rd trimester
         2-10 years      1 dose immediate postpartum
         Never            3 doses 0, 1, 6 months
 • During outbreak if previous unimmunized or
   Td before 2 years give 1 dose of Tdap




 2/15/2013                                            25
Tdap cont…

 Contraindications
 • History of anaphylaxis to any component.
 • History of encephalopathy within 7 days of
   previous vaccination of Tdap.
 • Moderate or severe acute illness, and those
   with unstable neurologic conditions (e.g.,
   stroke, acute encephalopathies)
 • Tdap vaccination is to be deferred until the
   acute illness resolves.
 2/15/2013                                    26
Measles, Mumps And Rubella

Vaccines
• In India the measles, mumps, rubella (MMR) live
  attenuated vaccine is manufactured using the following
  strains:
       Edmonston Zagreb - Measles,
       L-Zagreb - Mumps
       Wistar RA27/3 strain - Rubella.
• The measles and the rubella components are produced
  using human diploid cells while the mumps component
  is produced from chick embryo.
• The MMR vaccine should be administered
  subcutaneously into the upper arm.
2/15/2013                                              28
MMR cont…
MMR cont…

 • Adults who are > 18yrs of age should
   receive at least one dose of MMR if
   there is no serologic proof of immunity
   or documentation of a dose given on or
   after the first birthday.
 • Adults in high-risk groups, such as health
   care workers and international
   travelers, should receive two doses.
 • All women of childbearing age who do
   not have acceptable evidence of rubella
   immunity or vaccination.
 2/15/2013                                      29
MMR cont…
MMR cont…

 Schedule
 • One or two doses are needed 4 wks
   apart.
 • If a pregnant woman is found to be
   rubella susceptible, administer MMR
   postpartum.




 2/15/2013                               30
MMR cont…
MMR cont…
 Contraindications
 • Previous anaphylactic reaction to this vaccine,
   or to any of its components.
 • Pregnancy or possibility of pregnancy within 4
   weeks (use contraception).
 • Persons immunocompromised due to cancer,
   leukemia, lymphoma, immunosuppressive
   drug therapy, including high-dose steroids or
   radiation therapy.

 2/15/2013                                       31
Influenza
Vaccines
       Trivalent inactivated influenza vaccine (TIV) and
       Live attenuated influenza vaccine (LAIV)
• The TIV contains
       A/17/California/2009/38(H1N1),
       A/Brisbane/ 10/2007 (H3N2), and
       B/Brisbane/60/2008 strains.
• Live attenuated influenza vaccine (LAIV) –
  Nasovac contains
       A/17/California/2009/38 like strain
• Schedule
       The TIV - annual, single dose of 0.5 ml IM.
       The LAIV – 0.5 ml intranasal (spray 0.25 ml per
        nostril)

2/15/2013                                                   32
Influenza cont…


 Recommendations
 • People aged > 50 years
 • Chronic obstructive pulmonary
   disease (COPD).
 • Cardiac diseases
 • Diabetes Mellitus, Cancer
 • Immunodeficiency, Renal Disease
 • Hemoglobinopathies
 • Pregnant Women
 • Health Care Providers
 • Adult household contacts
 • Travelers to endemic area
 2/15/2013                           33
Influenza cont…

 • August - September is the optimal time to receive an
   annual flu shot to maximize protection.
 • Influenza vaccine may be given at any time during the
   influenza season (typically October to March) or at
   other times when the risk of influenza exists.
 • May give with all other vaccines but as a separate
   injection.
 Contraindications
 • Previous anaphylactic reaction to this vaccine, to any of
   its components, or to eggs.
 • Moderate or severe acute illness.

 2/15/2013                                                34
Pneumococcal Infection

Vaccines
• The pneumococcal polysaccharide
  vaccine (PPV), contains 25 μg each of purified
  capsular polysaccharide from 23 serotypes of
  Streptococcus pneumoniae.
Schedule
   A single standard dose (0.5 ml) is
     administered by the intramuscular or
     subcutaneous route.
   This vaccine can be co-administered with live
     vaccines such as the influenza vaccine.

2/15/2013                                           35
PPV cont…


 • Adults who are 65yrs of age or older.
 High risk people
 • Anatomic asplenia        • Chronic renal failure
 • Sickle cell disease      • Nephrotic syndrome
 • Immunocompromised        • Chemotherapy &
   persons including HIV      corticosteroids)
 • Leukemia, Lymphoma       • Organ or bone marrow
 • Hodgkin’s disease          transplant.
 • Multiple myeloma         • Pregnant women with
 • Generalized malignancy     high-risk conditions


 2/15/2013                                            36
PPV cont…


 • One-time revaccination is recommended 5yrs
   later for people with
    Rapid antibody loss (e.g., renal disease)
    People >65yrs of age if the 1st dose was
      given prior to age 65 and > 5yrs have
      elapsed since previous dose.




 2/15/2013                                       37
Hepatitis B
Vaccines
• For immunocompetent adults, 1ml (20 μg) of
  recombinant vaccine is administered at 0, 1, and 6
  months as an intramuscular.
• Protection (anti-HBs antibody titer of 10mIU/ml or
  higher) after recombinant vaccine
       After first dose - 20% to 30%
       After second dose - 75% to 80%
       After third doses - 90% to 95%
Recommendations
• All unvaccinated adult risk for HBV infection and
• All adults seeking protection from HBV infection
  including post-exposure prophylaxis.
2/15/2013                                              38
HBV cont…
 Prevaccination screening
 • Prevaccination screening in general population has not been
    found to be cost effective in India.
 • Prevaccination screening may be cost-effective in adult
    populations with a prevalence of HBV infection of >20% such
    as
      Household or sexual contacts of HBsAg-positive persons;
      HIV infected persons
      Injection drug users
      Men who have sex with men
      Patients with chronic liver disease (CLD)
      End-stage renal disease (ESRD).
 2/15/2013                                                    39
HBV cont…




 2/15/2013   40
HBV cont…

 • Booster doses of HBV vaccine are not indicated
   in persons with normal immune status .
 • For CKD patients, the need for booster doses
   should be assessed by annual anti-HBs antibody
   titre testing.
 • A booster dose should be administered when
   anti-HBs levels decline to less than 10 mIU/ml &
   <100 mIU/ml in patients on dialysis.
 Contraindications
 • Previous anaphylactic reaction to this vaccine or
   to any of its components.
 • Moderate or severe acute illness.
 2/15/2013                                             41
Hepatitis A

Vaccines
• Inactivated-single antigen (HAV antigen) vaccines,
       Havrix (GlaxoSmithKline) and
       Vaqta (Merck & Co)
• Combination vaccine
       Twinrix ( HAV + HBV antigens GlaxoSmithKline).
Schedule
• Two doses of 1ml at 6 month interval.
• Immune status for hepatitis A should be checked

2/15/2013                                                42
Hepatitis A cont…


 Recommendations
 • The Expert Group felt that universal immunization
   for hepatitis A is not recommended as yet.
 • Not only is the vaccine costly, more epidemiological
   data are required to ascertain its benefits.
 • Adults at risk for acquiring hepatitis A, and adults
   who are negative for anti-HAV antibodies are likely
   to benefit most in view of changing epidemiology.


 2/15/2013                                         43
Hepatitis A cont…
 Adults high risk for acquiring hepatitis A:
   People who travel to endemic area of Hep A
   Persons who work with HAV-infected
     primates or with HAV in a laboratory
   Who receive clotting factor concentrates
   Persons infected with other hepatitis viruses
   Chronic liver disease not immune to HAV
   Received, or are awaiting a liver transplant
   Men who have sex with men

 2/15/2013                                          44
Hepatitis A cont…

        Vaccination schedule for hepatitis A




 2/15/2013                                     45
Hepatitis A cont…




 Contraindications
 • Previous anaphylactic reaction to this vaccine
   or to any of its components.
 • Moderate or severe acute illness.
 • Safety during pregnancy has not been
   determined, so benefits must be weighed
   against potential risk.

 2/15/2013                                      46
Varicella (Var) (Chickenpox)

Vaccines
• Two Live attenuated VZV (Oka strain)
  vaccines for varicella virus are currently
  available in India.
      – Varilrix (GlaxoSmithKline, Belgium) and
      – Okavax (Pasteur Mérieux, France).
Schedule
      – < 13 years - 1 dose - 0.5ml SC
      – > 13 years - 2 doses are recommended.
      – Interval between 2 doses should be 4–
        8wks.
2/15/2013                                         47
Varicella cont…

 Recommendations
 • All susceptible adults and adolescents should
   be vaccinated.
 • It is especially important to susceptible
   persons
       – Health care workers
       – Family contacts of immunocompromised persons
       – High risk of exposure (e.g., teachers, day care
         employees, military personnel, and international
         travelers).
 2/15/2013                                              48
Varicella cont…




 • People with reliable histories of chickenpox
   (such as self or parental report of disease) can
   be assumed to be immune.
 • For adults who have no reliable
   history, serologic testing may be cost effective
   since most adults with a negative or uncertain
   history of varicella are immune.


 2/15/2013                                        49
Varicella cont…


 Contraindications
 • Previous anaphylactic reaction to this vaccine or to any
   of its components.
 • Pregnancy, or possibility of pregnancy within 1 month.
 • Immunocompromised persons due to malignancies and
   primary or acquired cellular immunodeficiency including
   HIV/AIDS.
 • Salicylates to be avoided for 6wks after receiving
   varicella vaccine because of a risk of Reye’s syndrome.


 2/15/2013                                             50
Human Papilloma Virus

• Papilloma virus infection is precursor to cervical
  cancer
    Types 16, 18 account for 70% of cervical
     cancers
Vaccines
• Two types HPV vaccines are available.
    Gardasil (Merck, USA), a quadrivalent vaccine
     containing HPV virus L1 protein like particles of
     HPV 6,11,16, and 18
    Cervarix (GlaxoSmithKline, Belgium) is a
     bivalent vaccine containing L1 VLPs of HPV
     16,18.
2/15/2013                                                51
HPV cont…


 Schedule
 • Gardasil vaccine, 3 doses- 0.5ml IM at
   0, 2, and 6 months.
 • Cervarix vaccine, 3 doses - 0.5 ml IM at 0, 1
   and 6 months




 2/15/2013                                         52
HPV cont…


 Recommendations
 • The vaccine has to be delivered prior to
   exposure to the HPV virus. Therefore, the
   immunization must precede the sexual debut.
 • Age for initiation for vaccination to be 10 - 12
   years.
 • Catch-up vaccination can be advised up to the
   age of 26 years for Gardasil vaccine and 45
   years for Cervarix vaccine.

 2/15/2013                                        53
HPV cont…


 Contraindications
 • Pregnancy
 • Patients with hypersensitivity to any of the
   vaccine components.
 Special situations
 • The HPV vaccine is not contraindicated during
   lactation.
 • The vaccine can be administered to
   immunosuppressed individuals.
 2/15/2013                                     54
HPV cont…

 • Several mild self limiting problems may
   occur with HPV vaccine:
       Pain at the injection site ( 8 people in 10)
       Redness or swelling at the injection site
        (1 in 4)
       Mild fever (100 oF) (1 in 10)
       Itching at the injection site (1in 30)
       Moderate fever (102 oF) (1 in 65)




 2/15/2013                                             55
HPV cont…
                 Natural History of HPV Infection and
                Potential Progression to Cervical Cancer
                  0–1 Year                          0–5 Years         1–20 Years


                                     Continuing                 CIN         Invasive
                                      Infection                 2/3         Cervical
                                                                             Cancer
        Initial
         HPV
      Infection
                                         CIN 1




                    Cleared HPV Infection (~80%)



 2/15/2013 AP, Crum CP. Clin Obstet Gynecol. 2000;43:352–362.
    1. Pinto                                                                       56
Meningococcal Meningitis

Vaccines
• Types
   Polysaccharide vaccines
       • Bivalent (A&C)
       • Quadrivalent (A,C,Y & W135)
   Conjugate vaccines.
• The vaccine does not induce herd immunity
  and has no effect on nasopharyngeal
  carriage.
• Containing 50 μg of polysaccharide per dose.
• After reconstitution use within 8-12 hours.

2/15/2013                                        57
Meningococcal cont…




 Schedule
 • A single dose of 0.5 ml SC in deltoid region.
 • In children between 3 months and 2 years of
   age, two doses at an interval of 3 months are
   indicated.




 2/15/2013                                         58
Meningococcal cont…


 Recommendations
 • The meningococcal vaccine can be used in
   selected        populations      in      certain
   situations, such as
    During      an    outbreak      (HCW,     Lab.
      worker, Close contacts )
    During inter-epidemic period
    To travelers, pilgrims(Quadrivalent), people
      attending fairs and festivals(bivalent 10-14
      days prior).
 2/15/2013                                        59
Meningococcal cont…

 • Mass vaccination may be considered
   depending on the age-specific attack rate,
   geographical distribution of cases, and the
   availability of vaccine.
 • During the inter-epidemic period, to
   personnel living in dormitories; military
   recruits; jail inmates; immunocompromised
   individuals.
 • Adults with anatomic or functional asplenia,
   or     terminal      complement  component
   deficiencies.
 2/15/2013                                    60
Herpes zoster (shingles)


            • Shingles is caused by a reawakening
              of the chickenpox virus
            • Symptoms – rash usually along
              nerve pathways
            • Very painful and debilitating
            • 20-30 % people can expect to get
              shingles in their lifetime

2/15/2013                                       61
Herpes Zoster cont…

 Vaccines
 • Zostavax - lyophilized preparation of the Oka
   strain of live, attenuated varicella zoster virus
   (VZV).
 Schedule
 • Single 0.65 ml dose subcutaneously in the upper
   arm.
 • Each 0.65 ml dose contains a minimum of 19,400
   plaque-forming units [PFU].
 • The vaccine must be used within 30 minutes after
   reconstitution.
 2/15/2013                                         62
Herpes Zoster cont…

 Recommendations
 • Recommended for persons > 60 years.
 • High risk for developing recurrent herpes
   zoster, such as
       Patients with chronic medical conditions
        (CKD, diabetes mellitus, rheumatoid arthritis, and
        chronic pulmonary disease);
       Persons who are likely to have severe
        immunosuppression in near future.


 2/15/2013                                                   63
Recommended Vaccines for Healthcare
                  Workers

• Healthcare workers should maintain an
  immunization history for:
            Hepatitis B
            Influenza *
            MMR
            Varicella (chickenpox)
            Tetanus, diphtheria, pertussis
            Meningococcal**
   * Receive annually
   ** For specific healthcare personnel
2/15/2013                                     64
Recommended vaccines for travelers to
                  India
CDC recommends the vaccines according
 to duration of stay in India.
• Tetanus-Diphtheria
• Hepatitis A
• Yellow Fever                    < 1 month
• Polio
• Japanese Encephalitis
• Rabies                        1- 5 month
• Typhoid
• Hepatitis B
• Tuberculosis                 > 6 month
• Meningitis
2/15/2013                                                    65

                                              Source : CDC
Adult Immunization Challenges


• Inadequate funding for vaccines and
  administration in public programs
• Lack of knowledge – both patients
  and providers
• Poor public health and private
  infrastructure for vaccine delivery.
• Lack of availability of vaccine.
• High cost of vaccine.
2/15/2013                                   66
Reasons -Aware but not receiving vaccine




Source: Johnson et al, Barriers to Adult Immunization, The American Journal of
  2/15/2013                                                                      67
Medicine,              Vol 121, No 7B, July 2008
Reasons -Aware but not receiving vaccine




Source: Johnson et al, Barriers to Adult Immunization, The American Journal of
  2/15/2013                                                                      68
Medicine,               Vol 121, No 7B, July 2008
Reasons -Aware but not receiving vaccine




Source: Johnson et al, Barriers to Adult Immunization, The American Journal of Medicine,
  2/15/2013                                                                                69
Vol 121, No 7B, July 2008
Screening Patients for Vaccines

• Screen every patient regardless of reason for
  visit
• Utilize screening tools; H-A-L-O
      Health condition
      Age
      Lifestyle
      Occupation


2/15/2013                                         70
Documentation

• Provide copy of Vaccine
  Information Statement (VIS)to
  patient
• Documents to be maintained
      Date vaccination & next dose
      Vaccine manufacturer
      Lot number
      Dose & site of vaccine
      Vaccinator’s initials
2/15/2013                             71
Vaccine Administration

• Health care personnel should get proper
  training before administrating vaccine.
• Always prepare and check the following for
  every vaccination you give:
      Right Patient
      Right Drug (vaccine)
      Right Dose
      Right Route (intramuscular, SC,intradermal)
      Right Time (is scheduling correct)
2/15/2013                                            72
Standards for Adult Immunization
                       Practices

• Make immunizations available
       Adult immunization services are readily available
       Barriers to receiving vaccines are identified and minimized
       Patient “out-of-pocket” immunization costs are minimized
• Assess patients’ immunization status
       Health care professionals routinely review the
        immunization status of patients
       Health care professionals assess for valid contraindications
• Communicate effectively with patients
       Patients are educated about risks and benefits of
        immunization in easy-to-understand language
2/15/2013                                                         73
Standards for AI cont….


• Administer and document immunizations properly
       Persons who administer vaccines are properly trained
       Simultaneous administration of indicated vaccine doses
       Immunization records for patients should be accurate
       All personnel who have contact with patients are
        appropriately vaccinated




2/15/2013                                                        74
Standards for AI cont….

• Implement strategies to improve immunization rates.
       Systems are developed and used to remind patients and
        health care professionals when immunizations are due and
        to re-call patients who are overdue
       Standing orders for immunizations are employed
       Regular assessments of immunization coverage levels are
        conducted in a provider’s practice
• Patient oriented and community based

Source : Poland GA, Shefer AM, McCauley M, et al. Standards for adult
  immunization practices. Am J Prev Med 2003



2/15/2013                                                          75
Recommendations (CDC)
      Finances
      Research on barriers
      Public and Provider Education
      Standards of Care
      Improved vaccines (immunogenicity, safety)
      Supply of Vaccines
      Support for programs and partners
      Legislative and regulatory strategies
2/15/2013                                       76
References

• Centers for Disease Control and Prevention (CDC). Recommended
  adult immunization schedule—United States, 2012. MMWR Morb
  Mortal Wkly Rep Feb 2012.
• Poland GA, Shefer AM, McCauley M, et al. Standards for adult
  immunization practices. Am J Prev Med 2003;25:144–50.
• Guthrie S. Birkhead & Julie Morita, NY, A Pathway to Leadership for
  Adult Immunization: Recommendations of the National Vaccine
  Advisory Committee, on June 14, 2011.
• World Health Organization (WHO)/UNICEF global estimates for
  Immunization 2010, May 2012.
• K.Park-Park’s Textbook of Preventive and Social Medicine,21st
  edition, Banarsidas Bhanot Publishers,Jabalpur,India.
2/15/2013                                                          77
References

• Draft global vaccine action plan for 2010 -2020 by the Secretariat, 65th
  World Health Assembly ,11 May 2012.
• Progress Toward Interruption of Wild Poliovirus Transmission —
  , Morbidity and Mortality Weekly Report Weekly by CDC / Vol. 61 / No. 19
  May 18, 2012.
• Fiore AE, Uyeki TM, Broder K et al. Prevention and control of influenza
  with vaccines: recommendations of the Advisory Committee on
  Immunization Practices (ACIP), 2010. MMWR Recomm Rep. 2010; 59(RR-
  8):1-62.
• Sharma SK, Singhal RK, Agarwal AK,Adult Immunization (Monograph),Vol.
  1, March 2009.Indian Association of Physicians.
• www.who.int/topics/immunization.com
• www.cdc.gov/vaccines.com.
• www.google.co.in/vaccines/images/index.id
2/15/2013                                                               78
2/15/2013   79

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Seminar adult immunization

  • 1. Adult Immunization Dr Abhay Dhanorkar 2/15/2013 1
  • 2. Scope • Definition • Introduction • Rationale for Adult Immunization (AI) • Disease burden of VPD in USA & Scenario in India • Recommendations for Adult Immunization in USA & India • Adult Immunization monograph by API – 2008 • Recommended Vaccines in India • Challenges in adult immunization • Standards for Adult Immunization Practices • Recommendations by CDC • References 2/15/2013 2
  • 3. When meditating over a disease, I never think of finding a remedy for it, but, instead, a means of preventing it. Louis Pasteur (1822-1895) 2/15/2013 3
  • 4. Definition • Immunization refers to the artificial induction of immunity. It can be by Active Immunization: the use of live attenuated infectious agents or inactivated toxins, or antigens obtained by genetic recombination OR Passive Immunization: temporary immunity obtained by the administration of immunoglobulins or antitoxins. 2/15/2013 Source : Dictionary of Public Health, J Kishore - 2007 4
  • 5. What is Immunization? Administration of all or part of micro organism or modified product resulting in protection against the disease. 2/15/2013 5
  • 6. Introduction • Certain vaccines are routinely recommended for all infants and children in India. • These include BCG, Diphtheria, Pertussis and Tetanus vaccine (DPT), Oral Polio Vaccine (OPV),HBV, Measles . • Vaccine against H.Influenza (Hib), JE, Chickenpox, herpes Zoster, Human Papilloma Virus , Rotavirus diarrhea etc. are optional. 2/15/2013 6
  • 7. Vaccine-preventable infectious agents or diseases Draft - Global vaccine action plan May 2012 - WHO 2/15/2013 7
  • 8. Introduction cont… • Smallpox eradicated in 1978 from India • On the verge of polio eradication. • Infant/Childhood immunization – one of the top public health success stories of the 20th century • The prevalence of Diphtheria, Pertussis, tetanus, measl es, mumps, rubella, poliomyelitis are reduced. 2/15/2013 8
  • 9. Rationale for Adult Immunization • Build on success of infant/childhood, adolescent immunization program. • Not vaccinated earlier, booster. • New vaccines targeted at adults. • Ageing : more susceptible. • Increasing Antimicrobial Resistance. • Recognition of the burden of adult vaccine- preventable disease. • No equivalent “Vaccines for Adults” program. • Few settings in which vaccination is “required.” 2/15/2013 9
  • 10. Disease BurDen of vpD’s in usa • Influenza >200,000 hospitalizations per year 36,000 deaths >90% in persons 65 years and older with comorbid conditions • Invasive Pneumococcal Disease Cases: 42,000 (14.0/100,000) Deaths: 4,500 (1.5/100,000) Rates higher in elderly http://www.cdc.gov/ncidod/dbmd/abcs/survreports.spneu. 2/15/2013 10 pdf
  • 11. Disease BurDen usa cont… • Hepatitis B 51,000 new infections/yr; 95% in adults 2,000 – 3,000 deaths/yr  ~1.25 million with chronic HBV infection • Human Papillomavirus (HPV) At least 70% of sexually active persons acquire genital HPV infection at some point in their lives ~20 million currently infected 6.2 million new infections/year ~ >11,000 new cervical cancer cases/year 2/15/2013 11
  • 12. Disease BurDen usa cont… • Herpes Zoster (Shingles) Reactivation of varicella zoster virus Associated with normal aging and reduced immunocompetence Lifetime risk of 20% ~ 1 million cases/yr • Pertussis Of >25,000 cases reported in 2009, >7,000 were in adults Source of infant infection often an older child or adult • 71% household contact 2/15/2013 12
  • 13. scenario of vpD’s in india Diphtheria • Overall cases of Diphtheria reduces • 1980 – 39231 • 2005 – 10231 • 2009 – 3480 • Study in Hyderabad shows that annual incidence increases from 11 to 23/lakh from 2003 to 2006 in 5 – 19 years. • Study for Protective levels of antibodies in Delhi shows  121 pregnant women – 94% have protective Ab titer (>0.125U/ml)  574 adults – 87% have protective Ab titer 2/15/2013 13
  • 14. VPD’s in India cont… Tetanus • Total cases in India  1980 – 45948 cases  2007 – 7005 cases • Study in Pondicherry for protective level of Tetanus Ab (> 0.15U/ml)  21 - 30 years – 50.4% (105/208)  31 – 40 years – 29.4%(58/198)  > 41 years – 2.2% (5/224) Pertusss  1987 -163000 cases  2009 – 55074 cases Meningococcal Meningitis cases (2009) in 9 states  Cases – 6386  Deaths – 460 2/15/2013 14
  • 15. VPD’s in India cont… Hepatitis – A • Study by Mall in 5 cities (Kolkota, Cochin, Indore, Jaipur & Patna) shows adult population was at risk of HAV as low level of anti HAV antibodies • Study by Dhawan et al – seroprevalance for protective anti HAV antibodies High socioeconomic class – 54.5% Low socioeconomic class – 85% • Study by Jindal in Medicos at Delhi – 66% with low anti HAV antibodies 2/15/2013 15
  • 16. VPD’s in India cont… Hepatitis – B • Hepatitis – B prevalence in India - 1-2% (Lodha et al) • Study by Murhekar in 2001 at Andaman in healthy people  HBsAg +ve – 1.6% &  Anti HBs +ve – 18% • Overall chronic HBsAg +ve rate in India is 4.7% • Meta-analysis by Biswas D et al. shows prevalence of Hep – B in  Non tribal – 2.4%  Tribal – 15.9% 2/15/2013 16
  • 17. VPD’s in India cont… Human Papilloma Virus (HPV) Infection • Nearly 80% of sexually active women & men are infected with HPV. World – 5,00,000 new cases/year. (CaCx) India – 1,32,000 new cases & 74,000 deaths per year Pneumococcal • Study by International Clinical Epidemiology Network (INCLEN) shows case fatality rate in south India due to Pneumococcal Pneumonia – 19% Pneumococcal bacterimia – 21% Pneumococcal meningitis – 34% • 23% of IPD patients were > 50 years 2/15/2013 17
  • 18. 2012 ACIP Adult Immunization Schedule, Age-Based Recommendations - USA 2/15/2013 18
  • 19. 2012 ACIP Adult Immunization Schedule- Medical/Occupational and Behavior-Based Recommendations (USA) Pregn Immunoco HIV & Men Heart Aspleni Chro Diabete Health having disease, c a Kidney ancy mpromisin CD4 sex hronic includi nic failure, -Care g Count lung liver conditions with diseases, ng ESRD, o perso men elective dise n excluding <200 >200 chronic ases nnel cell/ cell/ (MSM) alcoholic Splenec hemodi HIV µl µl tomy lysis 2/15/2013 19
  • 20. ACIP Adult Immunization Schedule, Age-Based Recommendations, INDIA Vaccine / Age group 19-26 yrs 27-49 yrs 50-59 yrs 60-64 yrs > 65 yrs Substitude one time dose of Tdap with Td, Td booster Tetanus, Diptheria, Pertussis (Tdap) every 10 yrs then booster with Td every 10 years Human Pappiloma Vaccine 3 doses Varicella 2 doses Zoster 1 dose Measles, Mumps, Rubella 1 or 2 doses 1 dose Influenza 1 dose annually Pnemococcal (Polysaccharide) 1 or 2 doses 1 dose Hepatitis A 2 doses Hepatitis B 3 doses Meninngicoccal 1 or more doses Recommended if some risk factor is present All persons who meet the age criteria 2/15/2013 20 No recommendation
  • 21. Adult Immunization based on medical and other indications (INDIA) Immunoco Diabetes, Kidney HIV infection heart Asplenia mpromise failure, end Health Indications with CD4 (excluding Chronic d disease, stage renal care Pregnancy count elective liver conditions chronic disease, on professi splenectomy disease (Excluding <200 >200 lung hemodialysi onals Vaccine ) HIV) cells/ µl cells/ µl disease s Tetanus, Diptheria, Substitute one time dose of Tdap with Td, then booster with Td every 10 Td years Pertussis (Tdap) Human Pappiloma 3 doses for females through age 26 years Vaccine Varicella Contraindication 2 doses Zoster Contraindication 1 dose Measles, Mumps, Rubella Contraindication 1 or 2 doses 1 dose TIV Influenza 1 dose TIV annually or LAIV Pnemococcal (Polysaccharide) 1 or 2 doses Hepatitis A 2 doses Hepatitis B 3 doses Meninngicoccal 1 or more doses Recommended if some risk factor is present All persons who meet the age criteria 2/15/2013 21 Contraindication
  • 22. Adult Immunization recommended in india Tdap MMR Influenza Pneumococcal Hepatitis B Hepatitis A Varicella HPV (cervical cancer) Meningococcal Herpes Zoster 2/15/2013 22
  • 23. Diphtheria, Tetanus, Pertussis Vaccines • Two Tdap Vaccines are available for use in those who are more than 10 years of age.  [i] Adacel contains tetanus toxoid, diphtheria toxoid, and five pertussis antigens;  [ii] Boostrix contains tetanus toxoid, diphtheria toxoid, and three pertussis antigens. • Efficacy of Tdap vaccine - 92% in a recent RCT. Recommendations • For adults in the age group of 18 to 64 years  Three dose series if never vaccinated at 0 and 4 weeks, the third 6-12 months after second  One dose booster of Tdap every 10 years 2/15/2013 23
  • 24. Tdap cont… • Health care personnel, especially those in direct contact with the patients, who have not received Tdap vaccine should receive a single dose of Tdap vaccine if 2 years or more have elapsed since the last dose of Td vaccination. • Women planning pregnancy should receive one dose of Tdap vaccine if they had not received it previously. 2/15/2013 24
  • 25. Tdap cont… • For Pregnant Women Last dose Recommendation > 10 Years 1 dose in 2nd or 3rd trimester 2-10 years 1 dose immediate postpartum Never 3 doses 0, 1, 6 months • During outbreak if previous unimmunized or Td before 2 years give 1 dose of Tdap 2/15/2013 25
  • 26. Tdap cont… Contraindications • History of anaphylaxis to any component. • History of encephalopathy within 7 days of previous vaccination of Tdap. • Moderate or severe acute illness, and those with unstable neurologic conditions (e.g., stroke, acute encephalopathies) • Tdap vaccination is to be deferred until the acute illness resolves. 2/15/2013 26
  • 27. Measles, Mumps And Rubella Vaccines • In India the measles, mumps, rubella (MMR) live attenuated vaccine is manufactured using the following strains:  Edmonston Zagreb - Measles,  L-Zagreb - Mumps  Wistar RA27/3 strain - Rubella. • The measles and the rubella components are produced using human diploid cells while the mumps component is produced from chick embryo. • The MMR vaccine should be administered subcutaneously into the upper arm. 2/15/2013 28
  • 28. MMR cont… MMR cont… • Adults who are > 18yrs of age should receive at least one dose of MMR if there is no serologic proof of immunity or documentation of a dose given on or after the first birthday. • Adults in high-risk groups, such as health care workers and international travelers, should receive two doses. • All women of childbearing age who do not have acceptable evidence of rubella immunity or vaccination. 2/15/2013 29
  • 29. MMR cont… MMR cont… Schedule • One or two doses are needed 4 wks apart. • If a pregnant woman is found to be rubella susceptible, administer MMR postpartum. 2/15/2013 30
  • 30. MMR cont… MMR cont… Contraindications • Previous anaphylactic reaction to this vaccine, or to any of its components. • Pregnancy or possibility of pregnancy within 4 weeks (use contraception). • Persons immunocompromised due to cancer, leukemia, lymphoma, immunosuppressive drug therapy, including high-dose steroids or radiation therapy. 2/15/2013 31
  • 31. Influenza Vaccines  Trivalent inactivated influenza vaccine (TIV) and  Live attenuated influenza vaccine (LAIV) • The TIV contains  A/17/California/2009/38(H1N1),  A/Brisbane/ 10/2007 (H3N2), and  B/Brisbane/60/2008 strains. • Live attenuated influenza vaccine (LAIV) – Nasovac contains  A/17/California/2009/38 like strain • Schedule  The TIV - annual, single dose of 0.5 ml IM.  The LAIV – 0.5 ml intranasal (spray 0.25 ml per nostril) 2/15/2013 32
  • 32. Influenza cont… Recommendations • People aged > 50 years • Chronic obstructive pulmonary disease (COPD). • Cardiac diseases • Diabetes Mellitus, Cancer • Immunodeficiency, Renal Disease • Hemoglobinopathies • Pregnant Women • Health Care Providers • Adult household contacts • Travelers to endemic area 2/15/2013 33
  • 33. Influenza cont… • August - September is the optimal time to receive an annual flu shot to maximize protection. • Influenza vaccine may be given at any time during the influenza season (typically October to March) or at other times when the risk of influenza exists. • May give with all other vaccines but as a separate injection. Contraindications • Previous anaphylactic reaction to this vaccine, to any of its components, or to eggs. • Moderate or severe acute illness. 2/15/2013 34
  • 34. Pneumococcal Infection Vaccines • The pneumococcal polysaccharide vaccine (PPV), contains 25 μg each of purified capsular polysaccharide from 23 serotypes of Streptococcus pneumoniae. Schedule A single standard dose (0.5 ml) is administered by the intramuscular or subcutaneous route. This vaccine can be co-administered with live vaccines such as the influenza vaccine. 2/15/2013 35
  • 35. PPV cont… • Adults who are 65yrs of age or older. High risk people • Anatomic asplenia • Chronic renal failure • Sickle cell disease • Nephrotic syndrome • Immunocompromised • Chemotherapy & persons including HIV corticosteroids) • Leukemia, Lymphoma • Organ or bone marrow • Hodgkin’s disease transplant. • Multiple myeloma • Pregnant women with • Generalized malignancy high-risk conditions 2/15/2013 36
  • 36. PPV cont… • One-time revaccination is recommended 5yrs later for people with Rapid antibody loss (e.g., renal disease) People >65yrs of age if the 1st dose was given prior to age 65 and > 5yrs have elapsed since previous dose. 2/15/2013 37
  • 37. Hepatitis B Vaccines • For immunocompetent adults, 1ml (20 μg) of recombinant vaccine is administered at 0, 1, and 6 months as an intramuscular. • Protection (anti-HBs antibody titer of 10mIU/ml or higher) after recombinant vaccine  After first dose - 20% to 30%  After second dose - 75% to 80%  After third doses - 90% to 95% Recommendations • All unvaccinated adult risk for HBV infection and • All adults seeking protection from HBV infection including post-exposure prophylaxis. 2/15/2013 38
  • 38. HBV cont… Prevaccination screening • Prevaccination screening in general population has not been found to be cost effective in India. • Prevaccination screening may be cost-effective in adult populations with a prevalence of HBV infection of >20% such as  Household or sexual contacts of HBsAg-positive persons;  HIV infected persons  Injection drug users  Men who have sex with men  Patients with chronic liver disease (CLD)  End-stage renal disease (ESRD). 2/15/2013 39
  • 40. HBV cont… • Booster doses of HBV vaccine are not indicated in persons with normal immune status . • For CKD patients, the need for booster doses should be assessed by annual anti-HBs antibody titre testing. • A booster dose should be administered when anti-HBs levels decline to less than 10 mIU/ml & <100 mIU/ml in patients on dialysis. Contraindications • Previous anaphylactic reaction to this vaccine or to any of its components. • Moderate or severe acute illness. 2/15/2013 41
  • 41. Hepatitis A Vaccines • Inactivated-single antigen (HAV antigen) vaccines,  Havrix (GlaxoSmithKline) and  Vaqta (Merck & Co) • Combination vaccine  Twinrix ( HAV + HBV antigens GlaxoSmithKline). Schedule • Two doses of 1ml at 6 month interval. • Immune status for hepatitis A should be checked 2/15/2013 42
  • 42. Hepatitis A cont… Recommendations • The Expert Group felt that universal immunization for hepatitis A is not recommended as yet. • Not only is the vaccine costly, more epidemiological data are required to ascertain its benefits. • Adults at risk for acquiring hepatitis A, and adults who are negative for anti-HAV antibodies are likely to benefit most in view of changing epidemiology. 2/15/2013 43
  • 43. Hepatitis A cont… Adults high risk for acquiring hepatitis A: People who travel to endemic area of Hep A Persons who work with HAV-infected primates or with HAV in a laboratory Who receive clotting factor concentrates Persons infected with other hepatitis viruses Chronic liver disease not immune to HAV Received, or are awaiting a liver transplant Men who have sex with men 2/15/2013 44
  • 44. Hepatitis A cont… Vaccination schedule for hepatitis A 2/15/2013 45
  • 45. Hepatitis A cont… Contraindications • Previous anaphylactic reaction to this vaccine or to any of its components. • Moderate or severe acute illness. • Safety during pregnancy has not been determined, so benefits must be weighed against potential risk. 2/15/2013 46
  • 46. Varicella (Var) (Chickenpox) Vaccines • Two Live attenuated VZV (Oka strain) vaccines for varicella virus are currently available in India. – Varilrix (GlaxoSmithKline, Belgium) and – Okavax (Pasteur Mérieux, France). Schedule – < 13 years - 1 dose - 0.5ml SC – > 13 years - 2 doses are recommended. – Interval between 2 doses should be 4– 8wks. 2/15/2013 47
  • 47. Varicella cont… Recommendations • All susceptible adults and adolescents should be vaccinated. • It is especially important to susceptible persons – Health care workers – Family contacts of immunocompromised persons – High risk of exposure (e.g., teachers, day care employees, military personnel, and international travelers). 2/15/2013 48
  • 48. Varicella cont… • People with reliable histories of chickenpox (such as self or parental report of disease) can be assumed to be immune. • For adults who have no reliable history, serologic testing may be cost effective since most adults with a negative or uncertain history of varicella are immune. 2/15/2013 49
  • 49. Varicella cont… Contraindications • Previous anaphylactic reaction to this vaccine or to any of its components. • Pregnancy, or possibility of pregnancy within 1 month. • Immunocompromised persons due to malignancies and primary or acquired cellular immunodeficiency including HIV/AIDS. • Salicylates to be avoided for 6wks after receiving varicella vaccine because of a risk of Reye’s syndrome. 2/15/2013 50
  • 50. Human Papilloma Virus • Papilloma virus infection is precursor to cervical cancer  Types 16, 18 account for 70% of cervical cancers Vaccines • Two types HPV vaccines are available.  Gardasil (Merck, USA), a quadrivalent vaccine containing HPV virus L1 protein like particles of HPV 6,11,16, and 18  Cervarix (GlaxoSmithKline, Belgium) is a bivalent vaccine containing L1 VLPs of HPV 16,18. 2/15/2013 51
  • 51. HPV cont… Schedule • Gardasil vaccine, 3 doses- 0.5ml IM at 0, 2, and 6 months. • Cervarix vaccine, 3 doses - 0.5 ml IM at 0, 1 and 6 months 2/15/2013 52
  • 52. HPV cont… Recommendations • The vaccine has to be delivered prior to exposure to the HPV virus. Therefore, the immunization must precede the sexual debut. • Age for initiation for vaccination to be 10 - 12 years. • Catch-up vaccination can be advised up to the age of 26 years for Gardasil vaccine and 45 years for Cervarix vaccine. 2/15/2013 53
  • 53. HPV cont… Contraindications • Pregnancy • Patients with hypersensitivity to any of the vaccine components. Special situations • The HPV vaccine is not contraindicated during lactation. • The vaccine can be administered to immunosuppressed individuals. 2/15/2013 54
  • 54. HPV cont… • Several mild self limiting problems may occur with HPV vaccine: Pain at the injection site ( 8 people in 10) Redness or swelling at the injection site (1 in 4) Mild fever (100 oF) (1 in 10) Itching at the injection site (1in 30) Moderate fever (102 oF) (1 in 65) 2/15/2013 55
  • 55. HPV cont… Natural History of HPV Infection and Potential Progression to Cervical Cancer 0–1 Year 0–5 Years 1–20 Years Continuing CIN Invasive Infection 2/3 Cervical Cancer Initial HPV Infection CIN 1 Cleared HPV Infection (~80%) 2/15/2013 AP, Crum CP. Clin Obstet Gynecol. 2000;43:352–362. 1. Pinto 56
  • 56. Meningococcal Meningitis Vaccines • Types Polysaccharide vaccines • Bivalent (A&C) • Quadrivalent (A,C,Y & W135) Conjugate vaccines. • The vaccine does not induce herd immunity and has no effect on nasopharyngeal carriage. • Containing 50 μg of polysaccharide per dose. • After reconstitution use within 8-12 hours. 2/15/2013 57
  • 57. Meningococcal cont… Schedule • A single dose of 0.5 ml SC in deltoid region. • In children between 3 months and 2 years of age, two doses at an interval of 3 months are indicated. 2/15/2013 58
  • 58. Meningococcal cont… Recommendations • The meningococcal vaccine can be used in selected populations in certain situations, such as During an outbreak (HCW, Lab. worker, Close contacts ) During inter-epidemic period To travelers, pilgrims(Quadrivalent), people attending fairs and festivals(bivalent 10-14 days prior). 2/15/2013 59
  • 59. Meningococcal cont… • Mass vaccination may be considered depending on the age-specific attack rate, geographical distribution of cases, and the availability of vaccine. • During the inter-epidemic period, to personnel living in dormitories; military recruits; jail inmates; immunocompromised individuals. • Adults with anatomic or functional asplenia, or terminal complement component deficiencies. 2/15/2013 60
  • 60. Herpes zoster (shingles) • Shingles is caused by a reawakening of the chickenpox virus • Symptoms – rash usually along nerve pathways • Very painful and debilitating • 20-30 % people can expect to get shingles in their lifetime 2/15/2013 61
  • 61. Herpes Zoster cont… Vaccines • Zostavax - lyophilized preparation of the Oka strain of live, attenuated varicella zoster virus (VZV). Schedule • Single 0.65 ml dose subcutaneously in the upper arm. • Each 0.65 ml dose contains a minimum of 19,400 plaque-forming units [PFU]. • The vaccine must be used within 30 minutes after reconstitution. 2/15/2013 62
  • 62. Herpes Zoster cont… Recommendations • Recommended for persons > 60 years. • High risk for developing recurrent herpes zoster, such as Patients with chronic medical conditions (CKD, diabetes mellitus, rheumatoid arthritis, and chronic pulmonary disease); Persons who are likely to have severe immunosuppression in near future. 2/15/2013 63
  • 63. Recommended Vaccines for Healthcare Workers • Healthcare workers should maintain an immunization history for: Hepatitis B Influenza * MMR Varicella (chickenpox) Tetanus, diphtheria, pertussis Meningococcal** * Receive annually ** For specific healthcare personnel 2/15/2013 64
  • 64. Recommended vaccines for travelers to India CDC recommends the vaccines according to duration of stay in India. • Tetanus-Diphtheria • Hepatitis A • Yellow Fever < 1 month • Polio • Japanese Encephalitis • Rabies 1- 5 month • Typhoid • Hepatitis B • Tuberculosis > 6 month • Meningitis 2/15/2013 65 Source : CDC
  • 65. Adult Immunization Challenges • Inadequate funding for vaccines and administration in public programs • Lack of knowledge – both patients and providers • Poor public health and private infrastructure for vaccine delivery. • Lack of availability of vaccine. • High cost of vaccine. 2/15/2013 66
  • 66. Reasons -Aware but not receiving vaccine Source: Johnson et al, Barriers to Adult Immunization, The American Journal of 2/15/2013 67 Medicine, Vol 121, No 7B, July 2008
  • 67. Reasons -Aware but not receiving vaccine Source: Johnson et al, Barriers to Adult Immunization, The American Journal of 2/15/2013 68 Medicine, Vol 121, No 7B, July 2008
  • 68. Reasons -Aware but not receiving vaccine Source: Johnson et al, Barriers to Adult Immunization, The American Journal of Medicine, 2/15/2013 69 Vol 121, No 7B, July 2008
  • 69. Screening Patients for Vaccines • Screen every patient regardless of reason for visit • Utilize screening tools; H-A-L-O Health condition Age Lifestyle Occupation 2/15/2013 70
  • 70. Documentation • Provide copy of Vaccine Information Statement (VIS)to patient • Documents to be maintained Date vaccination & next dose Vaccine manufacturer Lot number Dose & site of vaccine Vaccinator’s initials 2/15/2013 71
  • 71. Vaccine Administration • Health care personnel should get proper training before administrating vaccine. • Always prepare and check the following for every vaccination you give: Right Patient Right Drug (vaccine) Right Dose Right Route (intramuscular, SC,intradermal) Right Time (is scheduling correct) 2/15/2013 72
  • 72. Standards for Adult Immunization Practices • Make immunizations available  Adult immunization services are readily available  Barriers to receiving vaccines are identified and minimized  Patient “out-of-pocket” immunization costs are minimized • Assess patients’ immunization status  Health care professionals routinely review the immunization status of patients  Health care professionals assess for valid contraindications • Communicate effectively with patients  Patients are educated about risks and benefits of immunization in easy-to-understand language 2/15/2013 73
  • 73. Standards for AI cont…. • Administer and document immunizations properly  Persons who administer vaccines are properly trained  Simultaneous administration of indicated vaccine doses  Immunization records for patients should be accurate  All personnel who have contact with patients are appropriately vaccinated 2/15/2013 74
  • 74. Standards for AI cont…. • Implement strategies to improve immunization rates.  Systems are developed and used to remind patients and health care professionals when immunizations are due and to re-call patients who are overdue  Standing orders for immunizations are employed  Regular assessments of immunization coverage levels are conducted in a provider’s practice • Patient oriented and community based Source : Poland GA, Shefer AM, McCauley M, et al. Standards for adult immunization practices. Am J Prev Med 2003 2/15/2013 75
  • 75. Recommendations (CDC) Finances Research on barriers Public and Provider Education Standards of Care Improved vaccines (immunogenicity, safety) Supply of Vaccines Support for programs and partners Legislative and regulatory strategies 2/15/2013 76
  • 76. References • Centers for Disease Control and Prevention (CDC). Recommended adult immunization schedule—United States, 2012. MMWR Morb Mortal Wkly Rep Feb 2012. • Poland GA, Shefer AM, McCauley M, et al. Standards for adult immunization practices. Am J Prev Med 2003;25:144–50. • Guthrie S. Birkhead & Julie Morita, NY, A Pathway to Leadership for Adult Immunization: Recommendations of the National Vaccine Advisory Committee, on June 14, 2011. • World Health Organization (WHO)/UNICEF global estimates for Immunization 2010, May 2012. • K.Park-Park’s Textbook of Preventive and Social Medicine,21st edition, Banarsidas Bhanot Publishers,Jabalpur,India. 2/15/2013 77
  • 77. References • Draft global vaccine action plan for 2010 -2020 by the Secretariat, 65th World Health Assembly ,11 May 2012. • Progress Toward Interruption of Wild Poliovirus Transmission — , Morbidity and Mortality Weekly Report Weekly by CDC / Vol. 61 / No. 19 May 18, 2012. • Fiore AE, Uyeki TM, Broder K et al. Prevention and control of influenza with vaccines: recommendations of the Advisory Committee on Immunization Practices (ACIP), 2010. MMWR Recomm Rep. 2010; 59(RR- 8):1-62. • Sharma SK, Singhal RK, Agarwal AK,Adult Immunization (Monograph),Vol. 1, March 2009.Indian Association of Physicians. • www.who.int/topics/immunization.com • www.cdc.gov/vaccines.com. • www.google.co.in/vaccines/images/index.id 2/15/2013 78
  • 78. 2/15/2013 79

Editor's Notes

  1. Here is the first figure of the Schedule, listing vaccines down the left side, with age groups across the top. Changes for 2012 are circled in red, and include:Vaccination of adults 65 years and older with Tdap recommendedIf they have contact with infants &lt;12 months of ageIs permitted for all other older adultsHPV recommendations are separated by gender, and now state the vaccine is recommended, in addition to females, for Males through 21 yearsMales may be vaccinated if 22-26 years of age