CDC sources tell NPR that the Trump administration has delayed and might cancel roughly $140 million in grants to fund fentanyl overdose response efforts, known as the Overdose Data To Action program ...

The CDC declared the end of its emergency response to H5N1 avian flu as a health threat to humans, David Murray writes.

For months, bird flu was seemingly everywhere in the U.S.: news headlines reported the highly pathogenic H5N1 avian influenza ...

Bird flu was nearly everywhere in the U.S.—in chickens, cows, pet cats and even humans. Cases have gone down, but experts ...

Farm workers facing possible arrest would likely resist getting tested for bird flu should there be a resurgence this fall, ...

The H5N1 avian flu is circulating in cows and other mammals. Whether it will make a permanent leap to humans is another question ...