France has confirmed bird flu outbreaks on two poultry farms, just days after being officially declared free of the virus, ...

Most human cases of bird flu in North America have been mild, a fact that’s underscored by a new study of the first 46 ...

France has confirmed outbreaks of bird flu on two poultry farms, two weeks after being officially declared free of the virus, ...

First come the horseshoe crabs. Hoisting their round, tank-like shells, they trundle out of the Delaware Bay under the first ...

Foxes in Norway and Slovenia are among the latest victims of the virus. Over the past week, notifications from national ...

This was a year of strange and unexpected things in agriculture. Farms were slammed with both drought and deluge, the 2023 ...

So far, the H5N1 virus isn't transmitted between people — but the CDC has found a mutation in a human case "concerning." ...

Here we are, on the cusp of the midway point in a decade that has been, in global health and infectious diseases terms, a lot ...

A new mutation and the first severe case of H5N1 bird flu discovered in a human in Louisiana has raised concern among some ...

Keith Poulsen’s jaw dropped when farmers showed him images on their cellphones at the World Dairy Expo in Wisconsin in ...

Tiny genetic alterations could help the bird flu virus enter cells in the upper respiratory tract, the C.D.C. said. But there ...

Bird flu, also known as avian influenza A (H5N1), is an infectious disease caused by a virus that can cause serious illness ...