A pandemic is not inevitable, scientists say. But the outbreak has passed worrisome milestones in recent weeks, including ...

The United States has reported its first outbreak of H5N9 bird flu on a duck farm in California, according to the World Organization for Animal Health (WOAH) on Monday. H5N9 is a rare subtype of the ...

California has been hit hardest, accounting for 38 cases, according to CDC data. The latest case involved a San Francisco ...

which concluded that vaccinating against the highly pathogenic H5 subtype of avian influenza virus (AIV) may drive viral evolution. One such H5 bird flu is the H5N1 virus currently causing an ...

Since early 2024, the U.S. has logged 66 human cases of H5N1. Scientists are keeping a watchful eye on the virus’s spread as we enter a new year.

The H5N1 virus has a ways to go before it can successfully jump to humans but that it doesn’t reduce the threat it poses.

A subtype of bird flu caused by avian influenza A (H5) virus has been spreading worldwide ... including avian influenza A(H5N1), have gained the ability to spread easily and sustainably among ...

The findings come at a time when outbreaks of bird flu -- a different subtype of the ... of the highly pathogenic avian influenza (HPAI) H5N1 influenza virus currently circulating ...

This pathogenic avian influenza A is a subtype that is found in cows ... with highly pathogenic avian influenza (HPAI) A, H5N1 virus that primarily causes bird flu, has a high potential for ...

A case of the bird flu (also known avian flu or H5N1) involving gamebirds has been confirmed in Spartanburg. The virus was ...