An influenza outbreak swamped the US as the year came to an end, reaching the highest levels since the Covid-19 pandemic and hitting children and teenagers especially hard.

Flu season in the U.S. is particularly bad this year, and a new branch of the flu family tree may be to blame.

This year’s “super flu” season is certainly living up to its name. The US is experiencing its highest infection rate in nearly three decades, according to flu statistics released by the CDC on Monday, ...

US flu infections surged over the holidays, and health officials are calling it a severe season that is likely to get worse. New government data posted Monday — for flu activity through the week of ...

The data goes back to 2004 when flu became a reportable disease so the severity of the current flu season is in comparison to the last two decades. It could be the worst flu season in years with more ...

NEW YORK (AP) — The U.S. flu season appears to be waning with two straight weeks of decline in measures of flu activity, ...