title: The effect of BCG vaccination in naturally infected tuberculin-positive individuals.
mesh_terms: D000293:Adolescent; D001741:Black or African American; D000367:Age Factors; D001500:BCG Vaccine; D044383:Black People; D002648:Child; D002921:Cicatrix; D005260:Female; D006801:Humans; D007630:Kenya; D008297:Male; D008722:Methods; D009169:Mycobacterium tuberculosis / Q000302:isolation & purification; D012572:School Health Services; D013183:Sputum / Q000382:microbiology; D013223:Statistics as Topic; D013997:Time Factors; D014374:Tuberculin Test; D014397:Tuberculosis, Pulmonary / Q000517:prevention & control*; D014556:Urine / Q000382:microbiology
chemical_list: D001500:BCG Vaccine