Avian Influenza is a group of influenza viruses that cause sickness and death in birds. Sometimes these bird viruses infect other species such as pigs and humans. The avian influenza strain circulating and killing poultry in Asia since 2004 has health officials around the world concerned because of the virus’s deadly effect in poultry and its ability to cause illness in humans. At the present time this virus does not spread easily from person-to-person but this influenza virus can change (mutate) to the point that a completely new strain can evolve.
- Avian Influenza and Severe Respiratory Illness Surveillance
Avian Influenza and Severe Respiratory Illness Surveillance. Reports of avian influenza AH5N1 among wild birds and poultry continue to occur in more countries in Asia, Europe, Middle East and Africa.
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