title: Epidemiological considerations in vaccine trials in leprosy.
mesh_terms: D001500:BCG Vaccine; D001428:Bacterial Vaccines; D002986:Clinical Trials as Topic; D004198:Disease Susceptibility; D006801:Humans; D007918:Leprosy / Q000175:diagnosis / Q000453:epidemiology / Q000517:prevention & control*; D009164:Mycobacterium Infections / Q000453:epidemiology; D009166:Mycobacterium leprae / Q000276:immunology*; D014376:Tuberculosis / Q000453:epidemiology; D014611:Vaccination
chemical_list: D001500:BCG Vaccine; D001428:Bacterial Vaccines