Fig. 2From: Prevalence and trends of transfusion transmissible infections among blood donors in the State of Qatar, 2013–2017Temporal trend of total TTIs prevalence using combined serological and NAT screening (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, in addition to Malaria Ab and Ag tests) among blood donors in blood donors centre at HMC in the period 2013–2017Back to article page