Cases of norovirus, a wretched and highly contagious stomach bug, are surging in parts of the United States this winter, according to government data. A new strain of norovirus, called GII.
STATEN ISLAND, N.Y. — Norovirus, also known as the stomach flu, rang in 2025 in a big way across the United States, and continues to surge. The highly contagious virus causes vomiting and ...
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