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CHICKENPOX
Varicella Zoster Virus
-Rolando G. Maliwat
Chickenpox
 Chickenpox (also known as varicella) is a
common illness that causes an itchy rash
and red spots or blisters ...
Etiologic Agent
 Its etiologic agent is Varicella-zoster virus
(VZV); a herpes virus (Family
Herpesviridae) that is also ...
Epidemiology
 A disease that is endemic to all countries
worldwide. Varicella has a prevalence that
is stable from genera...
Continue….
 Varicella is highly communicable, with an
infection rate of 90% in close contacts
 In the tropics, chickenpo...
Symptoms
 Rash that turn into itchy, fluid-filled
blisters that eventually turn into scabs
 High fever
 Tiredness
 Los...
Complications
 Pneumonia
 Secondary bacterial infection
 Hemorrhagic complications
 Encephalitis
 Reye’s syndrome- a ...
Reservoir and Mode of
Transmission
 Infected humans. Transmission is person
to person by direct contact, droplet or
airbo...
Treatment and Prevention
 Uncomplicated varicella is usually treated
only with preventive measures.
 Antihistamines such...
Continue….
 Acetaminophen
 As a protective measure, patients are
usually required to stay at home while they
are infecti...
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Chickenpox

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  • Study showed that treatment with acyclovir reduced duration of fever and the number of lesions
  • 2. Patients must pay attention to their personal hygiene
  • Transcript of "Chickenpox"

    1. 1. CHICKENPOX Varicella Zoster Virus -Rolando G. Maliwat
    2. 2. Chickenpox  Chickenpox (also known as varicella) is a common illness that causes an itchy rash and red spots or blisters all over the body.  Shingles- (also known as herpes zoster) is a reactivation of the varicella virus, often the result of immunosuppression.
    3. 3. Etiologic Agent  Its etiologic agent is Varicella-zoster virus (VZV); a herpes virus (Family Herpesviridae) that is also known as human herpesvirus 3; a DNA virus.
    4. 4. Epidemiology  A disease that is endemic to all countries worldwide. Varicella has a prevalence that is stable from generation to generation  In temperate countries, chickenpox is primarily a disease of children, with most cases occurring during the winter and spring, most likely due to school contact  It is one of the classic diseases of childhood, with the highest prevalence in the 4-10 year old age group
    5. 5. Continue….  Varicella is highly communicable, with an infection rate of 90% in close contacts  In the tropics, chickenpox often occurs in older people and may cause more serious disease. In the adults the pock marks are darker and the scars more prominent than in children
    6. 6. Symptoms  Rash that turn into itchy, fluid-filled blisters that eventually turn into scabs  High fever  Tiredness  Loss of appetite
    7. 7. Complications  Pneumonia  Secondary bacterial infection  Hemorrhagic complications  Encephalitis  Reye’s syndrome- a severe encephalomyelitis with liver damage may follow clinical chickenpox if aspirin is given to younger children than 16 years of age.
    8. 8. Reservoir and Mode of Transmission  Infected humans. Transmission is person to person by direct contact, droplet or airborne spread of vesicle fluid or secretions of the respiratory system of persons with chickenpox.
    9. 9. Treatment and Prevention  Uncomplicated varicella is usually treated only with preventive measures.  Antihistamines such as diphenhydramine used for pruritus  Drying agents such as calamine or colloidal oatmeal baths, are soothing and prevent secondary bacterial infections.  Acyclovir has also been shown to prevent viral dissemination in immunosuppressed children
    10. 10. Continue….  Acetaminophen  As a protective measure, patients are usually required to stay at home while they are infectious to avoid spreading disease to others.  Also sufferers are frequently asked to cut their nails short to wear gloves to prevent scratching and to minimize the risk of secondary infections  Staying in a cold surrounding can help in easing the itching as heat and sweat makes it worse.
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