Even as cases of H5N1 virus among animals and people are rising in the U.S., there’s no evidence of human-to-human ...

The CDC said Thursday it is updating its recommendations for testing, treatment and protection for workers who may be exposed animals infected with bird flu.

The Atlanta-based agency is under intense scrutiny by conservatives in Congress and think tanks about its scope and mission.

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

Coverage of cases of E. coli spotted in Missouri from a McDonalds outbreak, what E. coli is, and how to stay safe from it.

H5N1, or bird flu, has been spreading among farm animals, wild birds and other animals and has infected 31 people, mostly farmworkers, in the U.S. After the Missouri ... heads the CDC’s National ...

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

A second person in Missouri who wasn't exposed to either poultry or dairy cows has been infected with bird flu.

The CDC said on Friday that dozens more people have been reported sick with E. coli linked to McDonald's Quarter Pounder.