Most flu infections this season are from a new variant not covered by the flu shot, but doctors say the vaccine will still ...

This year's flu season is shaping up to be particularly brutal. Here's what to know this week, including cases taking a ...

Flu cases and hospitalizations are surging, already breaking last season's records. Here's where activity is highest, what ...

(NEXSTAR) – Cases of the flu continue to mount, with health officials recently recording the first pediatric flu-related deaths of the season, but some states are seeing much higher activity than ...

Add Yahoo as a preferred source to see more of our stories on Google. Influenza A(H3N2) viruses are the most frequently reported influenza viruses so far this season. A new flu variant is sweeping ...