Avian Influenza

OIE-WAHIS data reflects the information gathered by the Veterinary Services from OIE Members and non-Members Countries and Territories on OIE-listed diseases in domestic animals and wildlife, as well as on emerging diseases and zoonoses.

Center for Infectious Disease Research & Policy

Covering Pandemic and Seasonal Flu, H5N1 `Bird Flu, Emerging Infectious Diseases, public health, community & Individual preparedness, and anything else that piques my admittedly eclectic interests

World Organization of Animal Health

The below timeline gives a summary of significant HPAI and LPAI outbreaks in birds, infections in people, and events from 2020-2022.

CDC Avian Influenza Updates

Current Situation Highlights Importance of Preventive Measures for People with Exposures

U.S. FDA public health alerts, consumer advisories, and other safety information related to HPAI and the commercial food supply.

Updated: April 26, 2024
This CDC technical report provides an update to the original report posted on December 29, 2023, to include seven new human cases (5 in Cambodia, 1 in the United States and 1 in Vietnam) and recent activity in wild birds, poultry and other animals, including the multi-state veterinary outbreak in U.S. dairy cattle, and updated information on monitoring for H5N1 virus infections in the United States. Even given these updates, CDC believes the overall risk to human health associated with the ongoing outbreaks of highly pathogenic avian influenza A(H5N1) viruses has not changed and remains low to the U.S. general public at this time.

April 2, 2024
This is a technical summary of an analysis of the genomic sequences of viruses associated with an outbreak of highly pathogenic avian influenza (HPAI) A(H5N1) viruses in Texas. This analysis supports the conclusion that the overall risk to the general public associated with the ongoing HPAI A(H5N1) outbreak has not changed and remains low at this time.

CDC FAQs on Bird Flu

Kandeil, A., Patton, C., Jones, J.C. et al. Rapid evolution of A(H5N1) influenza viruses after intercontinental spread to North America. Nat Commun 14, 3082 (2023).