Winter vomiting disease is surging in the U.S. Here’s how to avoid it.

The virus, sometimes called ‘the stomach flu’ or ‘a stomach bug,’ causes acute gastroenteritis, or inflammation of the stomach or intestines.
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Blood type may be the reason why some get norovirus more than others — study

In the last few months, schools all over the country have closed because of outbreaks of norovirus. Also known as stomach flu, norovirus infections cause watery diarrhea, low-grade fever, and, most ...