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Frequently Asked Questions about Rotavirus

Rotavirus is a highly contagious virus that infects nearly all children by their 5th birthday. Children who have rotavirus may have a fever, vomiting, and diarrhea.

Rotavirus is not the only cause of severe diarrhea, but it is one of the most common and serious.

While many cases are mild, others can be severe, leading to dehydration. Dehydration can be a serious medical condition.

Children are most likely to get rotavirus disease between November and May, depending on the part of the country in which they live.

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Updated January 2024

Sources: Centers for Disease Control and Prevention