Avian flu was long considered the animal disease most likely to break out into a global human pandemic, and even after the onslaught of SARS-CoV-2, many scientists still feel that way.

Spain has reported an outbreak of the highly pathogenic H5N1 bird flu virus on a farm north of Madrid, the World Organisation for Animal Health (OIE) said on Tuesday, adding to a wave of cases in ...

Perhaps the most notable is the so-called “Spanish flu” of 1918–1919, when the Centers for Disease Control and Prevention (CDC) estimates “an avian-like H1N1 virus” killed 50 million ...

Two Spanish poultry farm workers tested positive for bird flu following an outbreak in poultry, in what appears to be the first known human infections in Spain and the second in Europe since 2003 ...

A recent avian-flu outbreak at a mink farm in Spain suggests a more troubling mode of transmission: mammals repeatedly conveying the virus to one another—a possible first for H5N1.

A new bird flu outbreak has been confirmed as the virus continues to spread across the U.S. The deadly H7N9 strain was detected on a poultry farm in Noxubee, Mississippi, last week.

Gov. Gavin Newsom declared a state of emergency on in response to the bird flu outbreak affecting dairy herds. Find out more about the rising cases, its symptoms, and other details below.

The WHO has said that both forms of the bird flu virus do not appear to transmit easily from person to person. The latest outbreak of H7N9 in the United States, detected on a farm of 47,654 ...

It may be then, that older people with health issues will be at higher risk from bird flu ‒ but that's not known for certain because the virus can change. In the 1918 flu outbreak, which killed ...