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How long is a norovirus infection contagious?

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While you can shed the virus for up to 8 weeks, it is less and less infectious over time. In most cases, you can return to work or school after you have been symptom-free for 48 hours. Food service workers are generally encouraged to wait 72 hours before they handle food.

SOURCES:

Edward Gaydos, DO, pediatrician, Cleveland Clinic.

CDC: "Norovirus: Clinical Overview."

CDC website.

San Francisco Department of Public Health: "Norovirus."

Reviewed by Hansa D. Bhargava on August 10, 2020

SOURCES:

Edward Gaydos, DO, pediatrician, Cleveland Clinic.

CDC: "Norovirus: Clinical Overview."

CDC website.

San Francisco Department of Public Health: "Norovirus."

Reviewed by Hansa D. Bhargava on August 10, 2020

From: Norovirus

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When should I call or visit the doctor for a norovirus infection?

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