H5N1 avian influenza, commonly known as bird flu, has long ceased to be just a problem for birds. Since its arrival in the ...

Researchers are investigating whether protection against influenza can begin somewhere other than through an injection.

As bird flu continues to circulate in animals and spill over into humans, researchers are racing to stop it before it adapts ...

While most sinus infections clear up on their own, it is important to monitor symptoms, as bacterial infections can sometimes spread to other areas. If a sinus infection lasts longer than 10 days, or ...

Since it was first detected in the U.S. in 2014, H5N1 avian influenza, commonly known as bird flu, has jumped from wild birds ...