A contagious new COVID-19 variant called NB.1.8.1, aka "Nimbus," is now dominant in the United States, CDC data show. What to know about symptoms and vaccines.

In recent months, several cruise ships have experienced significant outbreaks of the norovirus. This highly infectious and ...

The CDC reports infecting someone can take as few as 10 viral particles. Norovirus causes an average of 900 deaths annually mostly among older adults, 109,000 hospitalizations, and 19 million to ...

Vermont has the second lowest state fatality rate in the US (148.2 per 100K; Hawaii 113.6/100K). Mississippi (465.8/100K) and ...

Thus far in 2025, the CDC has issued notifications on 16 separate cruise outbreaks, outpacing the yearly totals from 2024 and 2023. Here's what the CDC advises.

Norovirus has been linked to twelve outbreaks on cruise ships in 2025, sickening nearly 1,500 people, according to CDC data.

The CDC reports that a "newly dominant" norovirus strain might be causing increased outbreaks on cruise ships, with 10 of 13 outbreaks this year attributed to norovirus.

Norovirus outbreaks on cruise ships are spiking in 2025, with 16 reported incidents so far, nearly as many as all of last year.

The CDC cut employees from its Vessel Sanitation Program this week, even as a cruise ship arrived days ago with another norovirus outbreak among passengers and crew.

More than 240 people on board the luxury Queen Mary 2 cruise ship have fallen ill with the highly contagious norovirus stomach bug. The US Centers for Disease Control and Protection (CDC) reported ...