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 diarrhea, ...
What's behind the spike in norovirus cases? Cases went down during the pandemic, likely due to better hand hygiene. This spike is likely due to people returning to our old, nasty habits.
Here’s what travelers should know. Norovirus causes an inflammation of the stomach or intestines called acute gastroenteritis, according to the CDC. The virus is “very contagious,” and ...