title: The effect of intervals between surveys on the estimation of incidence rates of leprosy.
mesh_terms: D001500:BCG Vaccine; D003430:Cross-Sectional Studies; D005500:Follow-Up Studies; D006801:Humans; D007194:India; D007918:Leprosy / Q000453:epidemiology* / Q000235:genetics / Q000517:prevention & control; D012306:Risk; D013997:Time Factors; D014611:Vaccination
chemical_list: D001500:BCG Vaccine