The U.S. is in the midst of norovirus season, with central Pennsylvania and the Northeast region reporting an increase in cases.
The Centers for Disease Control and Prevention says outbreaks of norovirus, leading to symptoms such as stomach cramps, vomiting and diarrhea, are most common from late fall through early spring. Annually, the virus results in approximately 465,000 emergency room visits and between 19 million and 21 million cases nationwide.
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