Highly pathogenic avian influenza, HPAI, or “bird flu,” cases are popping up, so here are some expert facts about the viral ...
H5N1 avian influenza, commonly known as bird flu, has long ceased to be just a problem for birds. Since its arrival in the United States in 2014, the virus has aggressively expanded its territory, ...
Researchers are investigating whether protection against influenza can begin somewhere other than through an injection.