title: B.C.G. mass vaccination in Tanzania, tuberculin allergy--conversion and waning rate.
mesh_terms: D000293:Adolescent; D001500:BCG Vaccine; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D010323:Passive Cutaneous Anaphylaxis; D013636:Tanzania; D014374:Tuberculin Test
chemical_list: D001500:BCG Vaccine