title: Machakos project studies. Agents affecting health of mother and child in a rural area of Kenya. IV: The epidemiology of pertussis.
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D004196:Disease Outbreaks / Q000453:epidemiology*; D005260:Female; D006801:Humans; D007114:Immunization; D007223:Infant; D007630:Kenya; D008297:Male; D014917:Whooping Cough / Q000150:complications / Q000175:diagnosis / Q000453:epidemiology*