The early symptoms of avian influenza are remarkably similar to influenza (the "flu").  A patient with respiratory failure from avian influenza. Chest X-ray: A) patchy infiltration at bilateral lower lung fields. B) 24 hours later, shows rapidly progressive pneumonia in both lung fields, compatible with adult respiratory distress syndrome.
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Bird Flu (Avian Influenza H5N1, Avian Flu)  Information for adults

Picture of Bird Flu (Avian Influenza H5N1, Avian Flu): The early symptoms of avian influenza are remarkably similar to influenza (the "flu").  Divider line
The early symptoms of avian influenza are remarkably similar to influenza (the "flu").
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Who's At Risk
Anyone in close contact with birds has the potential to be infected with avian influenza. In particular:
  • Poultry farmers
  • Poultry handlers and processors
  • Visitors to poultry farms or petting zoos
There are very few cases of avian influenza reported in the US, probably because the very strict monitoring for signs of illness in domestic birds and exterminating birds with signs of illness that is done in the US. Far more cases of avian influenza in humans are reported in developing nations in Asia, Africa, and Southeast Asia, and travelers to these areas should be aware of the hazards of coming into contact with birds or fowl.
Last Modified: 22 Dec 2008