{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,26]],"date-time":"2025-10-26T14:17:29Z","timestamp":1761488249868},"reference-count":24,"publisher":"Cambridge University Press (CUP)","issue":"1","license":[{"start":{"date-parts":[[2009,5,15]],"date-time":"2009-05-15T00:00:00Z","timestamp":1242345600000},"content-version":"unspecified","delay-in-days":5766,"URL":"https:\/\/www.cambridge.org\/core\/terms"}],"content-domain":{"domain":["journals.cambridge.org"],"crossmark-restriction":true},"short-container-title":["Epidemiol. Infect."],"published-print":{"date-parts":[[1993,8]]},"abstract":"<jats:title>Summary<\/jats:title><jats:p>This paper describes a matched case-control study to determine the efficacy of BCG vaccine in preventing the occurrence of leprosy in southern Mala\u0175i, a previously unstudied area. The BCG immunization rate amongst 145 individuals with leprosy was 44.8%, compared to 62.5% in 290 matched controls. The protective efficacy of BCG vaccine against leprosy in this region was estimated to be 63.6%; smallpox immunization had no effect. These findings support the view that BCG vaccine should be considered as a control measure in areas where leprosy is endemic.<\/jats:p>","DOI":"10.1017\/s0950268800056636","type":"journal-article","created":{"date-parts":[[2009,5,15]],"date-time":"2009-05-15T08:59:36Z","timestamp":1242377976000},"page":"21-25","update-policy":"http:\/\/dx.doi.org\/10.1017\/policypage","source":"Crossref","is-referenced-by-count":9,"title":["Protective efficacy of BCG vaccine against leprosy in southern Mala\u0175i"],"prefix":"10.1017","volume":"111","author":[{"given":"D. M.","family":"Baker","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J. S.","family":"Nguyen-Van-Tam","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"S. 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