Unique Symptoms Of Norovirus' New Highly Contagious Strain And How Long The Infection Lasts

Unique Symptoms Of Norovirus' New Highly Contagious Strain And How Long The Infection Lasts

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Updated Dec 16, 2025 | 02:00 AM IST

SummaryA new GII.17 norovirus strain is driving a rapid rise in highly contagious gastroenteritis cases across the US, especially after Thanksgiving. Dubbed the winter vomiting disease, it spreads through food, water, and surfaces. Explosive vomiting, diarrhea, cramps, and fever begin within 12–48 hours and usually last up to three days, typically.

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