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What are some causes of rotavirus?

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The main cause of rotavirus infection is touching an infected person who did not his wash hands after using the toilet, regardless of whether the infected person shows symptoms, according to Mayo Clinic. The virus also spreads to others when an infected person does not wash his hands and touches objects.

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People who do not wash their hands after changing the diaper of an infected child also tend to contract the infection, notes Mayo Clinic. Some people experience multiple infections despite being vaccinated, as there are numerous types of rotavirus.

Rotavirus exists in the stool of an infected person several days before symptoms manifest and remains up to 10 days after symptoms start to diminish, reports Mayo Clinic. Most people experience a fever and vomiting at the start of a rotavirus infection and suffer watery diarrhea for three to eight days afterward. However, healthy adults may experience only mild signs or no symptoms at all.

It is important to contact a doctor immediately if a child suffers severe diarrhea with blood, repeated vomiting for at least three hours, a temperature of 103 degrees Fahrenheit or more, lethargy or signs of dehydration, instructs Mayo Clinic. Adults who experience an inability to keep liquids down for 24 hours, frequent vomiting with or without blood, blood in the stool, high fever or signs of dehydration also need medical help.

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