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.

The U.S. Centers for Disease Control and Prevention (CDC) announced it is streamlining its H5N1 highly pathogenic avian ...

The Centers for Disease Control and Prevention (CDC) has ended its emergency response to the H5N1 avian flu. A spokesperson ...

The U.S. Centers for Disease Control and Prevention ended its emergency response for bird flu as the outbreak that sickened ...

The U.S. Centers for Disease Control and Prevention has ended its emergency response to the H5N1 bird flu outbreak, a move ...

The Centers for Disease Control and Prevention has ended its emergency response to the H5N1 bird flu and said Monday it will ...

A recent EFSA scientific assessment reviews the emergence and spread of the highly pathogenic avian influenza (HPAI) H5N1 genotype B3.13, focusing on its outbreak in U.S. dairy cattle and evaluating ...

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

PARIS (Reuters) -South Africa has reported outbreaks of the highly pathogenic H5N1 strain of avian influenza, or bird flu, on ...

The U.S’s biggest dairy-producing state is being squeezed by the recent outbreak of bird flu, which also affects cattle—and ...

Long Island’s last commercial duck farm is rebuilding after a bird flu outbreak forced the destruction of its entire ...

Five House members from California’s San Joaquin Valley led by Rep. Jim Costa, a Democrat, sent Agriculture Secretary Brooke Rollins a letter on Tuesday urging her to develop and evaluate an H5N1 ...