RHD and syphilis: As shown in Table 5, the most common Rh phenotype found among all transfusion-transmitted disease-infected reactive donors was CCDee: HBV (n = 53, 43%), HIV (n = 17, 55%), HCV (n = 21, 55%), syphilis (n = 22, 41.5%), and malaria (n = 9, 39%).