Epidemiological studies on cholera in non-endemic regions with special reference to the problem of carrier state during epidemic and non-epidemic period.
D000293:Adolescent; D000328:Adult; D002353:Carrier State / Q000453:epidemiology*; D002648:Child; D002675:Child, Preschool; D002771:Cholera / Q000453:epidemiology* / Q000635:transmission; D004196:Disease Outbreaks; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged