A highly contagious stomach virus is spreading rapidly across the U.S. as Americans prepare for holiday travel and gatherings.
Norovirus — often called the winter vomiting disease — has been climbing steadily since mid-October, particularly in Louisiana, Michigan, and Indiana, according to WastewaterSCAN, a monitoring program run by Stanford and Emory universities.
According to WastewaterSCAN’s scientific program manager, Amanda Bidwell, norovirus concentrations in wastewater have jumped 69% nationwide since October, placing overall U.S. activity in the program’s “high” category.
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