Gastrointestinal germs like norovirus are causing more cruise ship outbreaks than we've seen in a long time.
There have already been a dozen cruise ship outbreaks in U.S. waters in 2025.
There have already been seven outbreaks of gastrointestinal illnesses reported aboard ships that touch U.S. waters this year—well above the usual pace.
Moderna's Phase III trial will test out its experimental vaccine in 25,000 people over the next two years.
Reported norovirus outbreaks this winter are higher than in recent years, CDC data shows.