There have already been seven outbreaks of gastrointestinal illnesses reported aboard ships that touch U.S. waters this year—well above the usual pace.

This norovirus case marks the seventh gastrointestinal illness outbreak on cruises this year that reached the CDC's threshold for public notification.

More than 90 passengers and crew members of a Royal Caribbean ship in the Gulf of Mexico contracted a stomach illness.

The gastrointestinal outbreak on the Royal Caribbean cruise reignites concerns about health safety on sea voyages, especially ...