Navigation menu. Who gets norovirus infection? Anyone can become infected. It only occurs in humans and is found worldwide. How is it spread? What are the symptoms? How soon after exposure do symptoms appear?
The incubation period is one to two days. What is the treatment for norovirus infection? How can norovirus infection be prevented? The following recommendations may reduce the risk of acquiring or spreading the infection: Wash hands thoroughly after each toilet visit and before and after preparing food. People who experience nausea, vomiting or diarrhea should not attend school or work and should not handle food for others while ill.
Avoid drinking untreated water. Cook shellfish thoroughly before eating. Revised: October Department of Health About Mary T. Noroviruses belong to the family Caliciviridae. Noroviruses were previously called Norwalk or Norwalk-like viruses. They were named after the original Norwalk strain, which caused an outbreak of gastroenteritis in a school in Norwalk, Ohio in The norovirus classification scheme external icon was updated in and includes the following changes:. A full list of changes can be found on the Human Calicivirus Typing Tool.
Variants of the GII. Skip directly to site content Skip directly to page options Skip directly to A-Z link. Section Navigation. Facebook Twitter LinkedIn Syndicate. Virus Classification.
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