This year’s flu season is shaping up to be a nasty one—driven by a new variant of the influenza virus that may be able to slip past our vaccine defenses. A mutated form of the influenza A strain H3N2 ...

Norovirus, the infamous "winter vomiting disease," is surging again across the United States. Norovirus is a highly contagious stomach bug that causes sudden, often violent bouts of diarrhea and ...

COVID-19 infections are rising across the United States, amid surges in other winter illnesses. The uptick in COVID comes as the country faces a severe flu season and outbreaks of norovirus, which are ...

This story was updated to add new information. A new flu variant is sweeping across the United States, causing millions of reported cases and doubling the number of hospitalizations in a surge doctors ...

Add Yahoo as a preferred source to see more of our stories on Google. A traveler passing through Newark Liberty International Airport tested positive for measles – one of the world’s most infectious ...

Flu season is off to a rough start this year, according to the Centers for Disease Control and Prevention. While the virus arrived as expected, cases are rising faster, compared with previous years.

Flu is surging across the U.S., sending thousands more people to the hospital and hitting young children especially hard, as doctors warn the season still has a long way to go. Flu activity is at ...

A new form of the flu, which is highly contagious and aggressive, is sweeping the nation this season. A mutation of influenza A H3N2, called subclade K, has been detected as the culprit in rising ...

At least 14 states and Washington, DC, are reporting high or very high flu activity. The dominant flu strain, a version of influenza A (H3N2) called subclade K, has multiple mutations that make it ...

The flu had a glow-up. This year’s flu season is proving to be worse than normal, with hospitalizations up significantly compared to last year, and the CDC reporting 4.6 million cases of the flu so ...