vendredi 29 octobre 2010

Norovirus (Norwalk Virus)

Norovirus (Norwalk Virus)
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NorovirusNoroviruses are a group of viruses that cause the “stomach flu,” or gastroenteritis. Noroviruses are very contagious. They usually are found in contaminated food or drinks, but they also can live on surfaces or be spread through contact with an infected person.

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