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 ...

CDC Reports Rise in Norovirus Cases. The CDC has reported 91 outbreaks during the week of December 5, up from an average of 65 during the same period from 2012 to 2020.

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

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.

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 ...

Norovirus, often coined the "cruise ship virus," causes more than 90% of diarrheal disease outbreaks on cruise ships, according to the CDC. Still, norovirus outbreaks on cruise ships account for ...

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.

Norovirus, often coined the "cruise ship virus," causes more than 90% of diarrheal disease outbreaks on cruise ships, according to the CDC. Still, norovirus outbreaks on cruise ships account for ...