Seasonal occurrence of impetigo: a retrospective 8-year review (1996-2003)

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Abstract
Impetigo, a common skin infection, has shown seasonal variation in African, Australian and Indian studies. We investigated seasonal variation of impetigo in a UK paediatric population. A total of 1552 children with impetigo were seen in the Accident and Emergency (A&E) department between 1996 and 2003. The number of impetigo cases was always higher in late summer than in winter, and furthermore, increased year on year. These changes could not be accounted for by variation in total patient numbers seen in A&E, and suggest a correlation between impetigo frequency and climatic temperature. Possible reasons for these findings include exposed skin due to loose clothing in the summer leading to more skin-to-skin contact and minor trauma.