Information on Avian Influenza

Avian influenza refers to the disease caused by infection with avian (bird) influenza (flu) Type A viruses. These viruses occur naturally among wild aquatic birds worldwide and can infect domestic poultry and other bird and animal species. Avian flu viruses do not normally infect humans. However, sporadic human infections with avian flu viruses have occurred. The links below offer information about avian influenza for different audiences.

• Avian Influenza
  • in Birds
  • in Humans
• Highly Pathogenic Avian Influenza A (H5N1) virus
  • in Birds and Other Animals
  • in Humans
• Influenza Type A Viruses and Subtypes
• Transmission of Avian Influenza A Viruses Between Animals and People
• Related Links