title: Environmental mycobacteria and BCG vaccination.
mesh_terms: D001500:BCG Vaccine; D002648:Child; D004783:Environmental Microbiology; D006801:Humans; D007113:Immunity, Innate; D009161:Mycobacterium / Q000276:immunology*; D014376:Tuberculosis / Q000276:immunology*
chemical_list: D001500:BCG Vaccine