H5N1 Avian Influenza
H5N1 is a highly pathogenic avian (bird) flu virus that has caused serious outbreaks in domestic poultry in parts of Asia and the Middle East. Although H5N1 does not usually infect humans, nearly 600 cases of human cases of H5N1 have been reported from 15 countries since 2003 and in 2011 62 human H5N1 cases and 34 deaths were reported from five countries (Bangladesh, Cambodia, China, Egypt, and Indonesia).
- Most human cases of “highly pathogenic“ H5N1 virus infection have occurred in people who had recent contact with sick or dead poultry that were infected with H5N1 viruses. About 60% of people infected with the virus died from their illness.
- Unlike other types of flu, H5N1 usually does not spread between people.
- There have been no reported infections with these viruses in birds, poultry, or people in the United States.
- You cannot get infected with these viruses from properly handled and cooked poultry or eggs.
More from flu.gov: H5N1 Avian Flu (H5N1 Bird Flu)