When is the norovirus no longer contagious?

People with norovirus illness are most contagious from the moment they begin feeling ill and for the first few days after they recover. Some people may be contagious for even longer. There is currently no vaccine available to prevent norovirus infection or drug to treat sick people. read more

Norovirus can be found in your stool (feces) even before you start feeling sick. The virus can stay in your stool for 2 weeks or more after you feel better. You are most contagious. when you are sick with norovirus illness, and; during the first few days after you recover from norovirus illness. read more

Doctor answers on Symptoms, Diagnosis, Treatment, and More: Dr. Ferguson on how long are you contagious after norovirus: People with influenza generallly are no longer contagious after fever and systemic symptoms (muscle aching, headache, etc) are gone. It usually takes 5-7 days after onset of the first symptoms. read more