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Rotavirus is the most common cause of severe diarrhea among infants and children throughout the world. Almost all children have become infected with rotavirus by their third birthday. Repeat infections with different viral strains are possible, and most children have several episodes of rotavirus infection in the first years of life. Children between the ages of six and 24 months are at greatest risk for developing severe disease from rotavirus infection. Rotavirus symptoms include: fever, vomiting, watery diarrhea, and abdominal pain. Rotavirus infection can be associated with severe dehydration in infants and children.

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    • Dehydration Dehydration is the excessive loss of body water. There are a number of causes of dehydration including heat exposure, prolonged...learn more »
      In This Article
      Dehydration Article
      • Dehydration facts
      • What is dehydration?
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      • Dehydration pictures
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    • Gastroenteritis (Stomach Flu) Gastroenteritis (or stomach flu) is a term referred used to describe a variety of gastrointestinal problems. The most common...learn more »
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      Gastroenteritis (Stomach Flu) Article
      • Definition of gastroenteritis
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      In This Article
      Fever Article
      • Fever facts
      • What is a fever?
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    • Nausea and Vomiting Nausea is an uneasiness of the stomach that often precedes vomiting. Nausea and vomiting are not diseases, but they are symptoms...learn more »
      In This Article
      Nausea and Vomiting Article
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      • Introduction to nausea and vomiting
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