Why Cruise Ships Keep Losing the Battle Against Norovirus–What You Need to Know

Expert explains how norovirus spreads in close quarters and what you can do to protect yourself.

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When the Caribbean Princess set sail from Fort Lauderdale at the end of April, most of the passengers on board were thinking about beaches, buffets, and partying.

Within days, however, more than 100 of them were struck down by one of the most contagious viruses on earth, one that spreads through shared surfaces, contaminated food, and even the air after someone vomits.