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Norovirus infection can cause severe vomiting and diarrhea that start suddenly. Noroviruses are highly contagious. They commonly spread through food or water that is contaminated during preparation or through contaminated surfaces. Noroviruses can also spread through close contact with a person who has norovirus infection.
Diarrhea, stomach pain and vomiting typically begin 12 to 48 hours after exposure. Norovirus infection symptoms usually last 1 to 3 days. Most people recover completely without tr...
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Signs and symptoms of norovirus infection may start suddenly and include:
Signs and symptoms usually begin 12 to 48 hours after your first exposure to a norovirus and last 1 to 3 days. You can continue to shed virus in your stool for several weeks after recovery. This shedding can last weeks to months if you have another medical condition.
Some people with norovirus infection may show no signs or symptoms. However, they're still contagious and can spread th...
Noroviruses are highly contagious. That means the norovirus infection can easily spread to others. The virus is shed in stool and vomit. You can spread the virus from the time you first have symptoms of illness until several days after you recover. Noroviruses can stay on surfaces and objects for days or weeks.
You can get norovirus infection by:
Noroviruses are difficult to kill because they can withstand hot and cold temperatures and many disinfectants....
There's no specific treatment for norovirus infection. Recovery generally depends on the health of your immune system. In most people, the illness usually resolves within a few days.
It's important to replace lost fluids. Oral rehydration solutions may be used. If you're not able to drink enough fluids to prevent dehydration, you might need to receive fluids through a vein (intravenous).
Your health care provider might recommend over-the-counter ...
Norovirus infection is highly contagious. There are many types of noroviruses. Anyone can get norovirus infection more than once.
To prevent norovirus infection:
To help prevent norovirus infection spread, during illness and for 2 to 3 days after your symptoms end:
For informational purposes only and not a substitute for professional medical advice, diagnosis, or treatment.
© Mayo Clinic
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