How does the incidence of pediatric chickenpox vary between temperate and tropical climates?

Updated: Nov 30, 2018
  • Author: Kirsten A Bechtel, MD; Chief Editor: Russell W Steele, MD  more...
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The epidemiology of varicella differs between countries with temperate climates and those with tropical climates. In most countries with temperate climates, more than 90% of persons are infected by adolescence but in countries with tropical climates, a higher proportion of infections are acquired at older ages, which results in higher susceptibility among adults.

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