Tuberculin conversion after BCG vaccination in infancy and early childhood.
D001500:BCG Vaccine / Q000008:administration & dosage; D002675:Child, Preschool; D005002:Ethiopia; D005260:Female; D006801:Humans; D006968:Hypersensitivity, Delayed / Q000453:epidemiology*; D007223:Infant; D008297:Male; D014374:Tuberculin Test; D014397:Tuberculosis, Pulmonary / Q000517:prevention & control
D001500:BCG Vaccine