If there’s one thing you don’t want to endure, it’s the symptoms of norovirus, a brutal stomach bug that tends to cause relentless diarrhea and vomiting for roughly one to three hellish days. And it may be especially difficult to avoid right now,

Norovirus cases are surging in the US, the CDC says. Here are the symptoms to look for, plus how long you're contagious for, per an infectious disease doctor.

A patient death in Louisiana has become the first in the nation to be linked to the highly contagious bird flu, which has been spreading among wild birds across the country.

Cases are climbing in China, but the situation is very different from when COVID-19 emerged five years ago, medical experts say. HMPV is common and decades old.