Until last week, all bird flu in dairy herds had been identified as the B3.13 variant, which was believed to have come from ...

For the first time since 1952, publication of the CDC's Morbidity and Mortality Weekly Report was halted. It returned on Feb.

The discovery of bird flu in the San Mateo backyard flock prompted health officials to remind people to take biosecurity ...

Bird flu is widespread in wild birds worldwide and is causing outbreaks in poultry and dairy cows with several recent human ...

The new H5N1 version, known as D1.1, was found in dairy cattle in Nevada and is different than the B3.13 type that has spread ...

Cows in Nevada have been infected with a strain of H5N1 bird flu different from the strain detected in all other herds to ...

A version of the H5N1 virus that has killed one person and severely sickened another has been detected in milk samples ...

Dairy herds in Nevada have been infected by a version of the H5N1 bird flu not previously seen in cows, putting virologists ...

San Mateo County public health officials reported finding H5N1 bird flu in a pet cat and a backyard poultry flock.

The newer variant of avian influenza that recently infected dairy cattle in Nevada has a genetic change that’s thought to ...

Migrant farmworkers are on the front lines of the H5N1 surge — but deportation fears complicate virus surveillance ...

H5N1 bird flu, also known as avian influenza, continues to spread, with reports of a third human case from an unknown ...