Some aspects of the problem of diphtheria in Poona.
D000293:Adolescent; D002353:Carrier State / Q000453:epidemiology; D002648:Child; D002675:Child, Preschool; D004165:Diphtheria / Q000453:epidemiology* / Q000401:mortality; D004197:Disease Reservoirs; D006801:Humans; D007194:India; D007223:Infant