Determinants of regional differences in the incidence of impetigo
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Impetigo is a common contagious skin infection, mostly seen in children and caused by Staphylococcus aureus and/or group A B-hemolytic Streptococcus. Two surveys performed in general practice showed a strong geographical gradient in the incidence rates among children in the Netherlands. The incidence in the south was approximately twice as high as in the rest of the Netherlands. We hypothesized that this difference could be explained by differences in the presence of animal farms and differences in temperature. This study examined whether there is a relationship with the numbers of bovines, pigs, sheep, and poultry per km2, and temperature, which could explain the observed regional gradient in the incidence of impetigo.