A Missouri bird flu case first reported by the CDC in September has drawn national attention. The CDC released findings ...

Blood tests of several people who were in contact with a patient in Missouri who caught H5N1 bird flu without any known ...

Health officials were struggling to answer a broader and potentially worrisome question: how the infection occurred.

Blood tests of several people who were in contact with a patient in Missouri who caught H5N1 bird flu without any known exposure to infected animals reveal that at least one of them — a person ...

As H5N1 bird flu continues to spread wildly among California dairy herds and farmworkers, federal health officials on Thursday offered some relatively good news about Missouri: The wily avian ...

Pigs can be infected with human and avian flu, upping chances for the virus to evolve and become more infectious ...

By Apoorva Mandavilli and Emily Anthes A Missouri resident who shared a home with a patient hospitalized with bird flu in August was also infected with the virus, federal officials reported on ...

Testing showed a Missouri bird flu patient did not infect the people around them, federal health officials said Thursday, a sign that the virus is not spreading among humans in a dreaded scenario ...

It's not clear how the British Columbia teenager picked up the virus, which has been detected recently in wild birds and ...

Health officials said Thursday that there's no evidence bird flu is spreading between people after investigating a mysterious infection in Missouri. The illness reported last month was different ...