A third close contact of a patient in Missouri who was hospitalized with H5N1 bird flu has reported that they also ...

Mysterious US bird flu case in person without any known contact with an infected animal raises spectre of human-to-human ...

A second health worker in contact with the Missouri patient who tested positive for bird flu also developed symptoms but wasn ...

With cold and flu season approaching, it’s worth knowing about another virus out there—albeit extremely rare: bird flu. Like ...

Several labs will work with federal health authorities to develop a test for avian influenza, as the number of human cases ...

Federal officials are still trying to determine how a Missouri resident with no known exposure to bird flu, contracted the ...

A second health worker who cared for a person hospitalized in Missouri with H5N1 bird flu developed mild respiratory symptoms ...

An extensive look at wastewater samples taken across the United States from May to July found traces of the H5N1 bird flu ...

The patient reported no contact with animals, leaving experts wondering how they contracted the flu — and whether the virus ...

It is not inevitable that H5N1 will develop into a pandemic -- if we act now. Unfortunately, instead of urgent action, we ...

The case is concerning because it's the first human case this year not tied to a known exposure to animals. Before now, all ...

Health officials say they don’t know how a Missouri person caught bird flu, but they believe it may be a rare instance of a ...