Past Outbreaks
![Avian influenza refers to the disease caused by infection with avian (bird) influenza (flu) Type A viruses.](/congress115th/20190109200408im_/https://www.cdc.gov/flu/images/avianflu/bird-flu-basics.jpg)
Around the world and in North America, avian influenza A outbreaks occur in poultry from time to time. Outbreaks of some avian influenza A viruses in poultry have been associated with illness and death in people in Asia, Africa, Europe, the Pacific, and the Near East. While very rare, some avian influenza A viruses have also caused illness in people in North America.
- U.S. H5 outbreaks in 2014-2015
- U.S. H7N8 in 2016
- U.S. H7N2 in cats in 2016
- U.S. H7N9 in 2017
Page last reviewed: April 10, 2017