There was also one case in Missouri with no known animal or animal product exposure. In that case, a household contact also ...

A new study by the Centers for Disease Control and Prevention found that some dairy farm employees showed signs of infection, ...

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

A Missouri patient who tested positive for the H5N1 virus alerted health officials in August, launching an investigation.

A new study revealed more farmworkers had signs of infection, even though they reportedly did not display symptoms of illness.

In a preprint study yesterday, a team led by the Pasteur Institute in Cambodia published a detailed genetic analysis of the ...

It is this system, by the way, that led to the detection of a still-unexplained H5N1 case in Missouri that occurred in August in a person who had no known exposure to infected animals and who ...

"Genetic sequencing of nine of these cases confirms that all are H5N1 viruses from clade 2.3. ... The source of infection for one patient in Missouri has still not been identified.

If the influenza virus infecting cattle workers starts a pandemic, help in the form of a vaccine is months away ...

H5N1 bird flu has been identified in a pig in the United States for the first time, the US Department of Agriculture said ...