Endemicity of diphtheria in an Indian population in northwestern Ontario.
D000293:Adolescent; D000367:Age Factors; D002353:Carrier State / Q000453:epidemiology*; D002648:Child; D002675:Child, Preschool; D004165:Diphtheria / Q000453:epidemiology*; D005260:Female; D006801:Humans; D007198:Indians, North American; D007223:Infant; D008297:Male; D009864:Ontario; D012737:Sex Factors