outcome of accidental exposure prone to blood borne viral infections in an educational hospital

background: the risk for transmission of blood-borne viruses (bbvs) such as human immunodeficiency virus (hiv), hepatitis b virus (hbv) and hepatitis c virus (hcv) due to occupational exposure is a major concern in the health care setting. m aterials and methods: this study among 337 health care workers (hcws) accidentally exposed to bbvs was carried out from january 2009 to march 2015. the data were reviewed in labbafinejhad hospital, tehran, iran. r es ults: 4 hcws had exposure to hbs ag positive, which hbs antibody titer of them was higher than 10 mlu/ml, 6 hcws were exposed to hcv seropositive patients underwent laboratory investigations for  hcv-antibody on 4,12, 24 weeks that results were negative. 3 cases had exposure to hiv seropositive patients which received standard antiretroviral post exposure prophylaxis. c onclusion: timely performance for pep (post exposure prophylaxis) reducing bbvs transmission among hcws. prophylaxis.   conclusions : timely performance for  pep(post exposure prophylaxis) reducing bbvs transmission among hcws. key words: outcome; accidental exposure; blood borne viral infections