B.C.G. vaccination.
D000293:Adolescent; D000367:Age Factors; D001500:BCG Vaccine / Q000008:administration & dosage; D006801:Humans; D007198:Indians, North American; D044469:Racial Groups; D013997:Time Factors; D014374:Tuberculin Test; D014376:Tuberculosis / Q000453:epidemiology / Q000517:prevention & control; D044465:White People
D001500:BCG Vaccine