New versions of the H5N1 virus are increasingly adept at spreading. Suggestions to either let it rip in poultry or vaccinate the birds could backfire.

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

Cambodia’s Ministry of Health recently confirmed the country’s twelfth human case of H5N1 avian influenza so far this year.

Cambodia’s Ministry of Health recently confirmed the country’s twelfth human case of H5N1 avian influenza so far this year ...

His lab looks at pretty much everything that has to do with flu—vaccination, treatments, viral evolution, transmission, mutations—but even he was surprised by what H5N1 has done.

The epicenter of the worst bird flu crisis in history, with 250 million birds culled, shifts to Europe A study on virus evolution warns of imminent outbreaks after November’s large migrations ...

Although the avian flu (H5N1) virus may not be making the news as frequently, it is still working hard behind the scenes, ...

The U.S. Centers for Disease Control and Prevention said on Monday it has ended its emergency response for H5N1 bird flu, ...

According to the CDC, there has been a decline in animal infections and no reports of human cases since February.

The Centers for Disease Control and Prevention July 7 announced ( it is streamlining H5N1 bird flu updates with its routine ...