Vomiting virus is spreading across most of the U.S.

Flu season may be mostly behind us, but levels of norovirus, the nasty, highly contagious stomach bug, are rising, according to wastewater data.

Flu season may be mostly behind us, but a nasty, highly contagious stomach bug is rising.

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In recent weeks, hikers in Southern California have been hit with norovirus, according to the Pacific Crest Trail Association.

Outdoor enthusiasts along the iconic trail aren’t the only ones suffering.