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The norovirus is highly contagious virus that anyone can acquire.

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Norovirus is the most common cause of gastroenteritis in the US. It can also cause dehydration from fluid loss.

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The norovirus is most commonly acquired from contaminated food. It can also be acquired from person to person contact and contaminated water. Restaurants, schools, and nursing homes make up the majority of norovirus outbreaks.

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The norovirus exits the body in feces and vomit. While someone is sick with the norovirus they can expel billions of norovirus particles. Only a few particles are needed to infect another person.

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The most common symptoms of the norovirus are vomiting, diarrhea, and abdominal cramping. You can also suffer from fever, headaches, chills, body aches, and lethargy. Symptoms usually start 12 to 48 hours after being exposed to the norovirus and will last 1 to 3 days.

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Some ways to try to protect yourself from getting or spreading the norovirus are washing your hands, wash all produce, cook shellfish thoroughly, clean all surfaces, wash laundry, and don't prepare food or take care of other people while you are sick.

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There is no treatment to cure the norovirus. It will have to run its course. Patients will need to drink plenty of fluids to avoid dehydration from the vomiting and diarrhea.