Highly infectious H5N1 virus, also known as the bird flu virus has tightened its grip on the United States. For the first ...

A snow goose in West Philadelphia ’s Carroll Park neighborhood is the city’s first suspected case of a highly contagious ...

The CDC is now calling for subtyping of influenza A viruses in all hospitalized patients -- and on an accelerated timeline, ...

San Francisco confirmed that a child in the city became the first case of H5N1. A panel of biotech leaders discussed what ...

H5N1 bird flu has been found to infect mammals more extensively. Although there has yet to be evidence of human-to-human ...

H5N1 remains a major threat to poultry and wild bird populations, leading to large-scale culling of domestic fowl in many ...

The A(H5N1) virus generally causes mild illness of short duration, mainly among US adults exposed to infected animals.

The US Centers for Disease Control and Prevention is urging hospitals to accelerate advanced testing of people they suspect ...

The variant circulating in America appears to be less lethal and could be triggering different responses from the immune ...

The US CDC confirmed another case of avian influenza A(H5N1), or bird flu, in California, bringing the nationwide total of cases to 67.

Avian flu is a common illness among birds, but it can spread to humans and other mammals. The virus is shed through ...

The Connecticut Department of Agriculture confirmed the presence of Highly Pathogenic Avian Influenza H5N1, commonly known as ...