During the week of Dec. 5, the CDC reported 91 cases of norovirus, more commonly known as the stomach flu, which is over double the highest number recorded between 2021 and 2024.

The norovirus is a highly contagious virus that is currently the leading cause of vomiting, diarrhea and food-borne illness within the U.S., the CDC says. Based on data gathered by the CDC ...

Certain areas of the United States are seeing spikes in cases of norovirus, a highly contagious stomach bug, health experts said. The Centers for Disease Control and Prevention reported 91 ...

A CDC spokesperson said the agency is monitoring norovirus outbreaks through its CaliciNet laboratory database and pointed to a surge of GII.17 strains in Asia and Europe in 2014 that was followed ...

The CDC reported 91 norovirus outbreaks the week of Dec. 5, up from 69 the week before.By comparison, up to 41 outbreaks were reported during that same week the previous three seasons. The most ...

The CDC notes that norovirus can found in both vomit and feces "even before you start feeling sick." "The virus can also stay in your poop for 2 weeks or more after you feel better.

Norovirus outbreaks on cruise ships are spiking in 2025, with 16 reported incidents so far, ... according to CDC records. Norovirus was also the cause in many of those cases.

According to the CDC, norovirus is the leading cause of foodborne illness in the United States, responsible for 58% of such infections acquired in the country each year.

(WFRV) – Officials with the CDC released norovirus data that showed there were more reported outbreaks in 2024 compared to the same time period in 2023. Centers for Disease Control and ...

So far this year, there have been 16 illness outbreaks reported on cruise ships in the CDC's jurisdiction, mostly from norovirus, compared with 18 outbreaks in all of 2024 and 14 in 2023, VSP ...

There have been 12 GI outbreaks on cruise ships in 2025, so far, according to the CDC. According to the federal health agency , every year the norovirus causes between 19 and 21 million illnesses ...