Norovirus infection can be prevented through careful hygiene and food safety practices. Frequent handwashing with soap and water is especially important, since alcohol-based sanitizers may be less effective against the virus. Additional preventive measures include thoroughly washing fruits and vegetables, properly cooking shellfish, disinfecting contaminated surfaces, and avoiding close contact with infected individuals. Because people can continue spreading the virus after symptoms improve, staying home and limiting contact with others for several days after illness can also help reduce transmission.
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