According to the U.S. Centers for Disease Control and Prevention, there were nearly as many outbreaks by mid-2025 as there ...

The CDC records an outbreak when at least three percent of passengers and crew show symptoms, its vessel sanitation program ...

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 ...

With the decrease of GII.4 outbreaks since 2024, whether GII.17 viruses will continue to cause an earlier onset of the norovirus season cannot yet be determined," the CDC researchers wrote.

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 cases spike, CDC says. What to know about the highly contagious stomach bug. Story by Natalie Demaree • 5mo. Certain areas of the United States are seeing spikes in cases of norovirus ...

(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 ...

FoodReady used National Outbreak Reporting System data to understand foodborne illness outbreaks over the past two decades.