The 2025-26 flu season has been brutal, so far. At least 19 million Americans have had it, and it's not over yet. Flu season ...

Health experts say a surge in norovirus cases is spreading quickly, with symptoms, prevention and cleaning all playing a ...

According to the CDC, many states are seeing a record number of flu cases. And now more co-infections are being reported in children as well. “Co-infections today are much more common now. It may be ...

A long-running debate in vaccine design revolves around whether a vaccine should be optimized to prevent the virus from replicating inside an infected host or prevent the virus from transmitting to ...

ATLANTA — As an especially harsh flu season remains in full swing, much of the country will be huddling indoors this week as blasts of arctic air settle in across the eastern half of the United States ...

Add Yahoo as a preferred source to see more of our stories on Google. Weeks after North Carolina's first pediatric flu-related death of the season, influenza rates in the Tar Heel State remain high. A ...