After starting the year with its first known bird flu death, the US expanded its efforts to contain the virus, which enabled ...

The agency, in its latest update released Thursday, said the mutations were not found in samples taken from wild birds, suggesting the virus changed over the course of the patient’s infection.

The Wisconsin Department of Agriculture, Trade and Consumer Protection (DATCP) has identified a case of highly pathogenic ...

Health officials from the Centers for Disease Control and Prevention (CDC) on Thursday called for more testing of people on farms who have contracted bird flu. The federal agency updated its ...

At least 65 human cases of H5 bird flu have been confirmed this year, with the majority being detected in California.

The virus in the first severe human bird flu case in the U.S. was found to have mutated. Newsweek's live blog is closed.

On Wednesday Google searches for bird flu symptoms shot up 500%, with bird flu topping all trending "symptoms" searches, according to the search engine's data.

A global outbreak of avian flu has reached Arizona, affecting animals and humans. Officials say the public health risk ...

Bird flu has always worried pandemic planners, but a new twist is raising the stakes: scientists are now tracking variants ...

A case of highly pathogenic avian influenza (HPAI) has been detected in a dairy herd in Dodge County, Wisconsin, the ...

Doctors and scientists say this year's influenza season could be tougher than usual. A new version of the flu virus, called ...

Flu activity remains low but is increasing nationwide, particularly among children and young adults, new CDC data shows. Outpatient visits and hospitalizations for flu have risen in recent weeks, ...