H5N1, known as bird flu, has been found in San Mateo County this week, according to state and local health officials.

As bird flu continues to spread across the United States, questions have emerged about the risk of contracting the virus from ...

H5N1, known as bird flu, has been detected in a backyard poultry flock in San Mateo County, the California Department of Food ...

Although it is standard procedure to kill flocks with the outbreak of bird flu, posts on social media twisted the truth.

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

Nevada dairy cattle infected with a new bird flu strain, Type A H5N1 D1.1, raising concerns of multiple transmission channels ...

Bird flu can be transmitted from infected birds to other animals and potentially humans directly from the birds, virus-contaminated environments or an infected animal, according to the CDC.

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

The Milwaukee County Zoo has closed its aviary for the "foreseeable future" in an attempt to protect its birds from the bird ...

A new strain of bird flu has been detected in US dairy cattle, raising concerns about its potential transmission and impact ...

While the risk to humans of exposure from cows or milk remains low, this new flu spillover from birds into cows raises the need for continued surveillance.

Dairy cows in Nevada have been infected with a new strain of bird flu virus different from the one circulating in other herds ...