A norovirus outbreak sickened dozens of passengers aboard Royal Caribbean's Serenade of the Seas cruise ship during a two-week voyage, federal health officials confirmed Monday.

The ship is scheduled to arrive at PortMiami on Thursday, Oct. 2.

The Centers for Disease Control and Prevention said 71 of the 1,874 passengers, about 3.8%, and one of the 883 crew members reported gastrointestinal illness with symptoms including diarrhea and vomiting.

The outbreak occurred during a two-week voyage that left San Diego, California, on Sept. 19 and is set to conclude in Miami, Florida. The cruise line reported the outbreak to the CDC's Vessel Sanitation Program on Sept. 28.

Royal Caribbean said it increased cleaning and disinfection measures under its outbreak prevention and response plan, iso

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