By Ashley Collman PUBLISHED: 17:25 EST, 23 February 2014 | UPDATED: 04:59 EST, 24 February 2014 U.S. health authorities are currently investigating a fourth possible outbreak of norovirus aboard a cruise ship this year. Officials with the Centers for Disease Control boarded the Holland America cruise ship ms Veendam Saturday in Fort Lauderdale, Florida. During the course of the week-long Caribbean cruise, 114 passengers and 10 crew members got sick - suffering mainly from vomiting and diarrhea.There were a total of 1,273 passengers on board and 575 crew members. Outbreak: The CDC is currently investigating a possible outbreak of norovirus aboard the Holland America cruise ship ms Veendam. The ship just wrapped a week-long voyage of the Caribbean
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The CDC is investigating the ms Veendam, which returned to port on Saturday after a week-long Caribbean cruise
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The ship failed a sanitation exam in September when inspectors found brown liquid dripping on clean dishes and a fly in the buffet
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Three other cruises have had outbreaks of norovirus this year
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The worst case was on the Royal Caribbean Ship, Explorer of the Seas, where over 600 got sick last month
The @placeholder grades cruise ships on a 100-point scale, and anything less than an 85 is considered failing.