UNIVERSITY PARK, Pa. — H5N1 highly pathogenic avian influenza (HPAI) was first detected in dairy cattle in Texas on March 25 and has since spread to several additional states. The Centers for Disease ...

In March 2024, a highly pathogenic avian influenza (HPAI) virus of A(H5N1) clade 2.3.4.4b was identified in lactating dairy cow herds in the panhandle region of Texas. As of August 1, 2024, a total of ...

Avian influenza A viruses, particularly the H5N1 subtype, continue to grab headlines — raising concerns for the public who is likely leery of another pandemic. Yet many infectious disease experts say ...

The CDC is now calling for subtyping of influenza A viruses in all hospitalized patients -- and on an accelerated timeline, ideally within 24 hours. Nirav Shah, MD, JD, principal deputy director of ...

The risk of H5N1 combining with seasonal flu to create a more dangerous strain of the virus will increase dramatically this winter, a major disease-tracking platform has predicted. When two or more ...

Helen Branswell covers issues broadly related to infectious diseases, including outbreaks, preparedness, research, and vaccine development. Follow her on Mastodon and Bluesky. You can reach Helen on ...