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.

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 ...

In fact, norovirus outbreaks in the U.S. in early January reached the highest level for this time of year since 2012, CDC data show. “This year, the number of reported norovirus outbreaks have ...

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 has been linked to twelve outbreaks on cruise ships in 2025, sickening nearly 1,500 people, according to CDC data. The Trump administration says the ‘end game’ for tariffs is to ...

As norovirus outbreaks surge on cruises, here's how the CDC says passengers should protect themselves. Thus far in 2025, the CDC has issued notifications on 16 separate cruise outbreaks, outpacing ...

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 ...