The following is an excerpt....
BASICS
Description
- Avian influenza A subtype H5N1 is a highly pathogenic and aggressive form of influenza.
- Presents with influenzalike symptoms, with lower respiratory tract symptoms (limited upper respiratory tract symptoms)
- High mortality rate in elderly and very young
Epidemiology
Incidence
- More than 490 confirmed human cases (60% fatality rate); primarily in Asia
- Predominate age: All age groups
Prevalence
Rare
Risk Factors
- Direct contact with H5N1 virus
- Contact with infected poultry
- Close contact with infected person
- Travel to affected country within 10 days of symptom onset
General Prevention
- Consider with any patient with influenzalike symptoms who has had close contact with H5N1 or ill poultry
- 2007: Food and Drug Administration approved a vaccine for adults 18–65. Currently only available from ...
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