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

The increased use of a type of organ removal called donation after circulatory death has led to a rise in disturbing transplant stories. This method allows doctors to make a judgement call that ...

As authorities brace for a potential resurgence in bird flu cases this fall, infectious disease specialists warn that the Trump administration's crackdown on undocumented immigrants could hamper ...