Possibilities of omitting BCG vaccination on a random basis in countries where BCG vaccination is obligatory at birth.
D000293:Adolescent; D001500:BCG Vaccine; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D014397:Tuberculosis, Pulmonary / Q000453:epidemiology / Q000517:prevention & control*
D001500:BCG Vaccine