H7N9 — is detected in at a poultry farm; scientists learn past human flu exposure may provide some immunity to H5N1.

The health secretary has suggested allowing the virus to spread, so as to identify birds that may be immune. Such an ...

A United Nations food agency warned that the continued spread of the H5N1 bird flu virus is an unprecedented food security ...

The most well-known HPAI subtype circulating today is H5N1. Since early 2024, H5N1 has been causing outbreaks among cows ...

The United States reported the first outbreak of the deadly H7N9 bird flu on a poultry farm since 2017, as the country ...

Older adults who were exposed to seasonal flu viruses that circulated prior to 1968 are more likely to have some protection against H5N1, and children would benefit more from H5N1 vaccines.

Raw cheese made with milk from dairy cattle infected with bird flu can harbor infectious virus for months and may be a risk ...

Experts are concerned about the impact on upcoming flu vaccine availability. A Food and Drug Administration vaccine advisory committee meeting that was set to discuss what flu strains to include ...

Boston health officials said Wednesday that along with an unusual second, late surge of flu cases across the state, the illness’s severity has also increased this season. “People aren’t ...

US health officials are reevaluating a $590 million contract for bird flu shots that the Biden administration awarded to Moderna Inc., people familiar with the matter said. The review is part of a ...

RICHMOND, Va. — We're in the middle of one of the most severe flu seasons in a decade, as over 900,000 hospitalizations have been caused by the virus nationwide since October 2024, according to ...

We asked the experts to explain what makes this year's flu season so unusual. Colored scanning electron micrograph (SEM) of H1N1 influenza (flu) virus particle isolated from a lung cell.