First U.S. detection of virulent H5N9 strain, at a California duck farm, draws scrutiny as evidence of genetic reassortment ...

The H5N9 strain of avian influenza is much more rare than the H5N1 which has been responsible for most of the reported human ...

Bird flu has sickened several dozen people around the U.S. and left one person dead while egg price hikes and shortages have ...

British health authorities said on Monday they had detected a case of the H5N1 bird flu in a person in central England but ...

A US government memo ordering a halt to communication with global health bodies has concerned scientists as a strain of bird ...

The first U.S. H5N9 outbreak has raised concerns as scientists warn of evolving bird flu risks—here's what you need to know about the symptoms.

Bird flu is behind rising egg prices nationwide, as growers cull flocks to contain the virus, according to Texas A&M AgriLife ...

H5N1 was first identified as an avian flu strain that could infect humans in 1997 and has since claimed hundreds of lives.

A strain of avian flu that has infected humans in the past, H5N1, have been confirmed in Scotland and England in recent weeks ...

Bird-to-human transmissions of avian influenza are rare in Britain although it has occurred a small number of times. British ...