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Is norovirus a contagious form of viral gastrointestinal infections?

The most common cause of acute gastroenteritis in the U.S., norovirus can remain contagious for weeks. Although contagiousness doesn't begin until symptoms are first felt, the virus typically remains active even after the symptoms have gone away and you're feeling better. The virus is most contagious while you're sick and for three days after recovery, but in some cases it can remain active for two weeks or longer.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.