Ruth Link-Gelles, PhD, MPH, of the CDC's National Center for Immunization and Respiratory Diseases, who has been leading the ...

Cambodia's health ministry today announced another human H5N1 avian flu case of the year, involving a 5-year-old boy from ...

Bird flu continues to spread quickly through the U.S. farm system because that system is inherently a viral playground.

Vaccine supply shortage comes at a bad time, as African countries make headway with their outbreaks and have seen good uptake ...

HHS Secretary Robert F. Kennedy Jr. and Secretary of Agriculture Brooke Rollins have expressed interest in letting H5N1 ...

A contagious new COVID-19 variant called NB.1.8.1, aka "Nimbus," is now dominant in the United States, CDC data show. What to know about symptoms and vaccines.