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INFLUENZA
COMMUNITY MEDICINE
SUBMITTED TO : SUBMITTED
BY :
Mrs.SURABHI SRIVASTVA SAUMYA
PATHAK
DEPT. OF
PHYSIOTHERAPY
• A Seasonal contagious acute respiretory
illness caused influenza viruses that infect the
nose , throat , and lungs .
• Influenza is an infectious disease
caused by RNA viruses of the family
Orthomyxoviridae (the influenza virus).
• Highly contagious respiratory disease
by influenza virus.
• WHO:-Influenza is a viral infection that
affects mainly the nose, throat, bronchi ,
and occasionly lungs.
• Three types of influenza virus are known to
affects humans ;A,B and C .
• Type A influenza has subtypes determined
by the surface antigens hemagglutinin (HA)
and neuraminidase (NA).
• Type B influenza is classified into two
lineages : B/Yamataga and B/Victoria.
• Infections with influenza viruses can be
asymptomatic or result in disease that
ranges from mild to severe.
• Influenza B commonly affects children .
• Influenza c is rarely reported as a cause of human
illness, probably because most case are
subclinical.
• Influenza C can not been associated with
epidemic disease.
 Antigenic drift
 Small mutations over time that results in
novel strain .
 Primary reasons people can get influenza
more than once .
 May result in annual influenza epidemic.
 Antigenic
 Abrupt , major change in surface antigens.
 May lead to panademic ( rare)
 Following respiratory transmisson,the
virus attaches to and penetrates
respiratory epithelial cells in the trachea
and bronchi.Viral replication occurs, which
results in the distruction of the host cell.
Regeneration of epithelium takes about 3
to 4 weeks . Virema , or presence of virus
in the blood , has rarely been documented
. Virus is shed in respiratory secreation for
5 to 10 days, with a peak of 1 to 3 days
following illness onset .
 Incubation period 2 days (range,1-4 days ) .
 About 8 % of U.S. population gets sick each season .
 Sudden onset of symptoms .
 Respiratory : Cough , sore throat , runny or stuffy nose .
 Systemic : fever, chills , headache, malaise, myalgia.
 Gastrointestinal : vomiting , diarrhea .
 Rapid recovery .
•
• RIDTs ( rapid influenza diagnostic test ).
• RAM ( rapid molecular assay ) .
• RT – PCR ( Reverse trancription chain
polymerase chain reaction )
 Vaccination .
 Isolation .
 Wear mask .
 Social distancing .
 Wash hand frequently with soap and water for 20
sec, and proper hygiene .
 Covering cough and sneezs .
 Staying home when you are sick .
 Get the yearly influenza vaccine .
 Without wash your hand
• don’t touch your face – mouth ,
• eyes ,and nose .
• Antiviral : ( osltamavir zanamavir ) (
amentadine , rimantadine ).
• Analgesics antipyretic (
paracetamol/mefenamic acid )
• Antitussive ( Aminophylline + Extracted ) .
• Vaccine composition is reviewed and
updated each year since the influenza
vierus is constantly changing. Cosideration
include which influenza viruses are
causing illness , the extent to which viruses
are spreading , and how well the previous
seasons vaccine protects against those
viruses.
o Three types of influenza vaccines :
• Inactivated influenza (IIV).
• Live, attenuated influenza vaccine (LAIV).
• Recombinant influenza vaccine (RIV).
 Fever and chills
 Headache
 Coughing and sore throat
 Runny nose
 Muscle pain
 Fatigue and tiredness
 Infects person to healthy coughing/sneezing
talking/droplets infected object . These
droplets can land in mouth or noses of
people who are nearby ( usually within
about 6 feet away ) or possibly be inhaled
into the lungs .
The World Health
Organization (WHO) reports
that throughtout the world,
annual outbreaks result in 3
-5 million severe cases and
between 250000 and
500,000 deaths .
In the northern and
southern parts of the world
outbreaks occur mainly in
winter while in areas
around the equator
outbreaks may occur at any
time of year .
Yearly , influenza epidemics
can affect all population.
Influenza, Department of Physiotherapy, SHUATS, Prayagraj
Influenza, Department of Physiotherapy, SHUATS, Prayagraj

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Influenza, Department of Physiotherapy, SHUATS, Prayagraj

  • 1. INFLUENZA COMMUNITY MEDICINE SUBMITTED TO : SUBMITTED BY : Mrs.SURABHI SRIVASTVA SAUMYA PATHAK DEPT. OF PHYSIOTHERAPY
  • 2. • A Seasonal contagious acute respiretory illness caused influenza viruses that infect the nose , throat , and lungs .
  • 3.
  • 4. • Influenza is an infectious disease caused by RNA viruses of the family Orthomyxoviridae (the influenza virus). • Highly contagious respiratory disease by influenza virus. • WHO:-Influenza is a viral infection that affects mainly the nose, throat, bronchi , and occasionly lungs.
  • 5. • Three types of influenza virus are known to affects humans ;A,B and C . • Type A influenza has subtypes determined by the surface antigens hemagglutinin (HA) and neuraminidase (NA). • Type B influenza is classified into two lineages : B/Yamataga and B/Victoria. • Infections with influenza viruses can be asymptomatic or result in disease that ranges from mild to severe. • Influenza B commonly affects children .
  • 6. • Influenza c is rarely reported as a cause of human illness, probably because most case are subclinical. • Influenza C can not been associated with epidemic disease.
  • 7.  Antigenic drift  Small mutations over time that results in novel strain .  Primary reasons people can get influenza more than once .  May result in annual influenza epidemic.  Antigenic  Abrupt , major change in surface antigens.  May lead to panademic ( rare)
  • 8.  Following respiratory transmisson,the virus attaches to and penetrates respiratory epithelial cells in the trachea and bronchi.Viral replication occurs, which results in the distruction of the host cell. Regeneration of epithelium takes about 3 to 4 weeks . Virema , or presence of virus in the blood , has rarely been documented . Virus is shed in respiratory secreation for 5 to 10 days, with a peak of 1 to 3 days following illness onset .
  • 9.
  • 10.  Incubation period 2 days (range,1-4 days ) .  About 8 % of U.S. population gets sick each season .  Sudden onset of symptoms .  Respiratory : Cough , sore throat , runny or stuffy nose .  Systemic : fever, chills , headache, malaise, myalgia.  Gastrointestinal : vomiting , diarrhea .  Rapid recovery . •
  • 11. • RIDTs ( rapid influenza diagnostic test ). • RAM ( rapid molecular assay ) . • RT – PCR ( Reverse trancription chain polymerase chain reaction )
  • 12.  Vaccination .  Isolation .  Wear mask .  Social distancing .  Wash hand frequently with soap and water for 20 sec, and proper hygiene .  Covering cough and sneezs .  Staying home when you are sick .  Get the yearly influenza vaccine .  Without wash your hand • don’t touch your face – mouth , • eyes ,and nose .
  • 13. • Antiviral : ( osltamavir zanamavir ) ( amentadine , rimantadine ). • Analgesics antipyretic ( paracetamol/mefenamic acid ) • Antitussive ( Aminophylline + Extracted ) .
  • 14. • Vaccine composition is reviewed and updated each year since the influenza vierus is constantly changing. Cosideration include which influenza viruses are causing illness , the extent to which viruses are spreading , and how well the previous seasons vaccine protects against those viruses.
  • 15. o Three types of influenza vaccines : • Inactivated influenza (IIV). • Live, attenuated influenza vaccine (LAIV). • Recombinant influenza vaccine (RIV).
  • 16.  Fever and chills  Headache  Coughing and sore throat  Runny nose  Muscle pain  Fatigue and tiredness
  • 17.  Infects person to healthy coughing/sneezing talking/droplets infected object . These droplets can land in mouth or noses of people who are nearby ( usually within about 6 feet away ) or possibly be inhaled into the lungs .
  • 18. The World Health Organization (WHO) reports that throughtout the world, annual outbreaks result in 3 -5 million severe cases and between 250000 and 500,000 deaths . In the northern and southern parts of the world outbreaks occur mainly in winter while in areas around the equator outbreaks may occur at any time of year . Yearly , influenza epidemics can affect all population.