Fig. 4From: Prevalence and trends of transfusion transmissible infections among blood donors in the State of Qatar, 2013–2017Positivity rate (%) for TTIs tests combined: (HBsAg, HBcAb, HBV NAT, HCV Ab, INNO-LIA HCV, HCV NAT, HTLV-I/II Ab, INNO-LIA HTLV-I, Syphilis Ab and INNO-LIA Syphilis, Malaria Ab and Ag tests) of blood donors (Qatari Vs Non-Qatari) in Blood Donors Center at HMC in the period 2013–2017Back to article page