Only 1 percent of norovirus outbreaks occur on cruise ships

June 3, 2014 5:56 PM

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At this point, norovirus is firmly associated in the public mind with cruise ships limping into port full of passengers who are vomiting or doubled over with painful stomach cramps. In fact, the Centers for Disease for Control and Prevention reported Tuesday, the vicious gastrointestinal virus affects 20 million U.S. residents every year, but only about 1 percent of them are on cruise ships.

Much more common is person-to-person and food-borne transmission of the virus, the latter primarily because of poor hygiene among food workers who touch foods with bare hands right before you eat it. About 5.5 million of the annual cases are spread via food, said Aron Hall, an epidemiologist with th...

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