U.S. flu cases are surging partially because of a new strain named "subclade K," that is not well covered by this year’s flu vaccine. Doctors still recommend getting the flu vaccine as it can reduce ...

This article originally appeared on Politifact. Over the holidays, U.S. flu cases skyrocketed. Weekly hospitalizations from the virus went from under 7,000 at the start of December to over 33,000 by ...