Individual cases of this disease are not reportable. All outbreaks are Immediately reportable to the Local Health Department.

Noroviruses are a group of related viruses that affect the stomach and intestines and cause an illness called gastroenteritis (an inflammation of the stomach and intestines). Anyone can get norovirus and they can be infected with the virus many times over a lifetime. Common symptoms include diarrhea, vomiting and stomach pain. This illness is highly contagious and outbreaks are common due to the ease of transmission. Outbreaks may occur in places where people consume water and/or food prepared or handled by others, such as nursing homes, hospitals, restaurants, cruise ships, banquet halls, summer camps and family dinners.

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Last Reviewed: 2/22/2023