A fever is a temporary rise in body temperature. It's one part of an overall response from the body's immune system. A fever is usually caused by an infection. For most children and adults, a fever may be uncomfortable.
High fever (>39.5 °C) is often associated with influenza A virus infections, occurring in more than 50% of children. Adenovirus infection causes fever exceeding 40 °C in about 20%, while fever in rhinovirus infection is usually absent or mild. Fever associated with respiratory virus infection may last for 3–5 days.
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Explanation:
A fever is a temporary rise in body temperature. It's one part of an overall response from the body's immune system. A fever is usually caused by an infection. For most children and adults, a fever may be uncomfortable.
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Answer:
High fever (>39.5 °C) is often associated with influenza A virus infections, occurring in more than 50% of children. Adenovirus infection causes fever exceeding 40 °C in about 20%, while fever in rhinovirus infection is usually absent or mild. Fever associated with respiratory virus infection may last for 3–5 days.
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