Information on Bird Flu
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. The links below offer more information about bird flu.
Bird Flu Updates
- Update: Human Infection with Highly Pathogenic Avian Influenza A(H5N1) Virus in Texas Friday, April 5, 2024
- CDC HAN: A(H5N1) Virus: Identification of Human Infection and Recommendations for Investigations and Response Friday, April 5, 2024
- Technical Update: Summary Analysis of Genetic Sequences of Highly Pathogenic Avian Influenza A(H5N1) Viruses in Texas Tuesday, April 2, 2024
Avian Influenza Communication Resources
CDC’s avian influenza (bird flu) materials are available to assist partners in communicating about bird flu prevention.
Avian Flu Microsite
More Information
- 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
