Read full article: Thunderstorms Tuesday ahead of an arctic temperature tumble ... officials cannot fully understand bird flu transmission by only tracking people who go to medical clinics ...

No person-to-person bird flu has been detected in California ... When those birds migrate back to the Arctic every year, they can interface with waterfowl from other flyways, and that’s how this virus ...

It is unclear how many people in Colorado may have been exposed to the bird flu case while traveling in the state. A spokesperson for Colorado's health department did not immediately respond to a ...

He said it shows that officials cannot fully understand bird flu transmission by only tracking people who go to medical clinics with symptoms. CDC researchers went to an American Association of ...

Play the USA TODAY Daily Crossword Puzzle. The report adds to a growing body of evidence that suggests people may have asymptomatic bird flu infections, or infections showing no obvious symptoms.

It also could mean there are more “virus–infected dairy cattle in states where infection in dairy cattle has not yet been ...

The report adds to a growing body of evidence that suggests people may have asymptomatic bird flu infections, or infections showing no obvious symptoms. In November, the CDC posted a study that ...

A Louisiana man became the first person in the United States to die of bird flu in January. A severe infection nearly killed a Canadian girl, who was hospitalized for two months. More domestic ...

Nick Paumgarten on saving a species. Plus: the fracturing of conservative Christians; a film-critic legend on the Hollywood ...

AP He said it shows that officials cannot fully understand bird flu transmission by only tracking people who go to medical clinics with symptoms. CDC researchers went to an American Association of ...

Bird flu has made eggs more expensive — does it also make them unsafe to eat? “This means that people are being infected, likely due to their occupational exposures, and not developing signs ...