Transfusion-transmitted infections (TTIs) constitute a major health problem worldwide where routine screening of blood or blood products is temperately done, and where non-medical injecting medications and/or drug use axe prevalent Prevalence and risk factors vary by geographic location and by the specific TTI (including HIV-1, HBV, HCV and HTLV-I) Objective To determine the prevalence and risk factors associated with TTIs among a sample of multi-transfused adult patients in Peru Study ...