The Centers for Disease Control and Prevention did not specify what type of gastrointestinal illness caused the outbreak, but the victims reported having diarrhea and vomiting.

More than 90 passengers and crew members on a Royal Caribbean International cruise ship which set sail from Tampa, Florida, on Feb. 1 for a weeklong cruise came down with a gastrointestinal illness, causing vomiting and diarrhea.

Over 90 people contracted gastrointestinal illnesses from an unknown source on a week-long Royal Caribbean cruise, the CDC said Wednesday. Both passengers and crew aboard the Radiance of the Seas have experienced vomiting and diarrhea.