Another health care worker who was exposed to a Missouri patient who tested positive for bird flu developed respiratory symptoms.

This summary covers various health news briefs including AstraZeneca's breast cancer drug trial results, a bird flu case in ...

The source of the girl's infection isn't known, though H9N2 has been reported in the country's poultry before.

The latest human case of bird flu in the U.S. occurred in a patient with no reported exposure to affected animals, sparking ...

In other developments, CDC and Ohio partners launched a serosurvey among bovine veterinary workers who attended a recent ...