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.

Royal Caribbean is continuing its efforts to create safer onboard experiences by banning certain items from its ships. The cruise line recently put baby monitors back on the banned listand banned camouflage clothing while warning passengers of potential fines.

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.