The pandemic coronavirus’s debut wrought universal havoc—not even seasonal flu viruses were spared. Amid travel restrictions, quarantines, closures, physical distancing, masking, enhanced hand washing ...

LOS ANGELES (KABC) -- Sick patients are flooding doctor's offices as cases of the flu surge across Southern California. This year, a particularly potent B strain of the virus seems to be causing many ...

The number of people getting sick with influenza B has gone up for three weeks straight, now making up about a third of flu cases nationwide.

Add Yahoo as a preferred source to see more of our stories on Google. It's flu season right now, and the U.S. is in the midst of a wave that's straining hospitals. But not all influenza is the same.

The polarizing nature of vaccination against coronavirus disease 2019 (Covid-19) within the United States threatens public health and has contributed to variable statewide vaccine uptake that ranged ...