Information on Bird Flu
H5N1 bird flu is widespread in wild birds worldwide and is causing outbreaks in U.S. poultry and dairy cows with one recent human case in a U.S. dairy worker. The latest information, data and guidance on the current situation are available from the links below:
Current Situation Summary | Current H5N1 Bird Flu Situation in Dairy Cows
Avian influenza or bird flu refers to the disease caused by infection with avian (bird) influenza (flu) Type A viruses. These viruses naturally spread among wild aquatic birds worldwide and can infect domestic poultry and other bird and animal species. Bird flu viruses do not normally infect humans. However, sporadic human infections with bird flu viruses have occurred.
- How CDC is monitoring influenza data among people to better understand the current avian influenza A (H5N1) situation Wednesday, April 24, 2024
- Avian Influenza A(H5N1) U.S. Situation Update and CDC Activities Friday, April 19, 2024
- Vietnam Reports First Human Infection with Avian Influenza H9N2 Virus Friday, April 12, 2024
CDC’s avian influenza (bird flu) materials are available to assist partners in communicating about bird flu prevention.
- Interim Guidance on Testing, Specimen Collection, and Processing for Patients with Suspected Infection with Novel Influenza A Viruses with the Potential to Cause Severe Disease in Humans
- Pandemic Influenza
- Related Links
- Research
- Zoonotic Influenza: Detection, Response, Prevention, and Control Reference Guide
