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Children's illness over two weeks after consulting their general practitioner with suspected acute viral infection of the upper respiratory tract. Whiskers show largest and smallest non-outlying values; circles show children that are more than 1.5 interquartile ranges from the 25th or 75th centiles (outliers); asterisks show children more than 3 interquartile ranges from the 25th and 75th centiles (extremes); broken line shows score of ≤5 (recovered)
