摘要：Prison inmates are among the high risk population for dangerous infections such HIV, HBV, HCV and other contagious diseases. In spit of many data about the prevalence and risk factors for blood born diseases among prisoners in the world, such data are spares from Iran. The aim of this study was to determine the prevalence and associated risk factors for HIV, HBV, HCV and HDV infections among a large sample of prison inmates in Iran.In a cross-sectional study in 2009-2010, 881 inmates in three prisons of Southern Khorasan Province in Iran were selected based on a systematic, stratified random sampling method. Sera were analyzed for HBV, HDV, HCV and HIV infections by appropriate commercial ELISA kits. An anonymous questionnaire was used to collect the demographic data and information about risk factors.Overall, 881 prisoners (mean age: 34.7±11.4 years, range: 11-84 years, M/F ratio:4.5/1) were participated in this study. The prevalence of HBV and HCV infection was 6.9% and 7.7%, respectively. Among the HBsAg positive subjects, 6.6% (4/61) and 9.8% (6/61) had HDV and HCV super-infection, respectively. Only one case (0.1%) had HIV infection that was co-infection with HCV. Drug abuse and history of traditional phlebotomy were associated risk factors for HBV infection (P
关键词：HIV;Hepatitis B;Hepatitis C;Injecting drug users;Prison
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