The CDC has revealed the red flags it is monitoring for that suggest that bird flu was about to become the world's next pandemic.

This story was updated due to an inaccuracy. Nearly a million chickens tested positive for bird flu at a farm in a western county of Ohio, according to the Ohio Department of Agriculture in December.

As cases of H5N1 bird flu rise across the U.S., some of us may be more immune to the virus than others. Many people may have immune cells called "T cells" primed and ready to fight the "highly ...

Jan. 2—The recent bird flu outbreak in the United States has not yet resulted in any positive human tests in Maine, although public health officials are closely monitoring the virus. The virus ...