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How common are noroviruses?

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Around the world, noroviruses are thought to be the most common cause of acute gastroenteritis, an illness marked by diarrhea and vomiting.

On average, noroviruses cause 19 million to 21 million cases of acute gastroenteritis in the U.S. per year, according to the CDC. The norovirus was originally called the Norwalk virus, after the town of Norwalk, Ohio, where the first confirmed outbreak happened in 1972.

From: Norovirus: Symptoms and Treatment WebMD Medical Reference

SOURCES:

Edward Gaydos, DO, pediatrician, Cleveland Clinic.

CDC: "Norovirus: Clinical Overview."

CDC website.

San Francisco Department of Public Health: "Norovirus."

Reviewed by Dan Brennan on January 28, 2019

SOURCES:

Edward Gaydos, DO, pediatrician, Cleveland Clinic.

CDC: "Norovirus: Clinical Overview."

CDC website.

San Francisco Department of Public Health: "Norovirus."

Reviewed by Dan Brennan on January 28, 2019

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Is norovirus the same thing as stomach flu?

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