The convergence of multiple flu strains in one animal can allow new virus strains to form—just as they did in past pandemics.

Transmission of the highly contagious avian flu occurs through the infected saliva, mucous, and poop of infect birds, or in the milk, bodily fluids, organs, blood, and respiratory discharge of ...

A close contact of someone with bird flu became ill on the same day, the C.D.C. reported. But the second person was not ...

Avian influenza, or bird flu, refers to the disease caused by infection with Type A viruses. The Alabama Department of Public Health reports these viruses occur naturally among wild aquatic birds ...

The Centers for Disease Control and Prevention has picked five lab partners to develop a test for avian influenza A (H5N1) — ...

Bird flu outbreaks in cattle have not been reported in Missouri, but outbreaks have been reported in commercial and backyard poultry flocks this year. Wild birds in the state have also tested ...

A Missouri adult who tested positive for H5 bird flu had no known contact with animals but has underlying medical conditions, ...

Health officials say a hospitalized patient in Missouri was infected with bird flu, despite having no known contact with ...

Chickens and other birds are often the source of avian influenza, and can pass it along to humans. Human cases have risen since the spring. ((AP Photo/Terry Chea)) However, 14 cases of human bird ...

The H5N1 bird flu has been spreading widely among wild birds, poultry, cows and a growing number of other animals NBC Universal, Inc. Health officials on Thursday said they don’t know how a ...