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Norovirus cases are surging, per wastewater data, and more people are expected to get sick from the contagious virus, experts say

It causes vomiting, diarrhea, and stomach pain, and while hand washing can kill the virus, hand sanitizer isn't effective

The virus is "highly contagious" and can spread in "so many ways," experts say

Cases of norovirus — the virulent illness that causes vomiting, diarrhea, and stomach pain — are surging in the U.S. ahead of the holiday season, and it can’t be killed by hand sanitizer alone.

Levels of the virus are “high” in wastewater, according to Today , which says that in the coming weeks, cases are expected to rise. "It's a devilish virus because it can spread in so many ways, and it is so highly contagious," Dr. William Schaffner, p

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