[Risk factors for Leprosy transmission].

This case-control study aimed to identify individual risk factors regarding the transmission of leprosy. The group case represented by 90 cases of leprosy sick people pontificated at SINAN during 2003 and 2006 and a group control constituted by 270 healthy people, paired by gender and age. There was significant statistical between occurrence of the disease and its current presence (OR: 2,9) and old cases (OR= 5,0) of leprosy among co-sanguine relatives. Knowing that the only exam of the contact in the act of the diagnostic detects a minimum part of the new cases, it is proposed to execute periodical examinations of the contact of leprosy for detecting the new cases.