Temat: What is gastroenteritis and what causes it?
Viruses are easily spread from an infected person to another by close contact. This is often because of the virus being present on the infected person's hands after they have been to the toilet. Surfaces or objects touched by the infected person can also allow transmission of the virus. The virus can also be passed on if the infected person prepares food. Outbreaks of a virus causing gastroenteritis can often occur - for example, in schools or hospitals.
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