Chickenpox occurrence in Ibadan City: a geographic perspective.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002644:Chickenpox / Q000453:epidemiology*; D002648:Child; D002675:Child, Preschool; D003906:Developing Countries; D005260:Female; D005843:Geography; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D009549:Nigeria; D012737:Sex Factors; D014329:Tropical Climate