The highly contagious norovirus can tear through cruise ships, classrooms, and other crowded spaces, leaving vomitingdiarrhea, and stomach cramps in its wake.

It spreads easily through food and drink and can have a big impact on people’s health. The CDC estimates that noroviruses are responsible for more than half of all food-borne disease outbreaks each year.

What Are Noroviruses?


Credit: CDC

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