摘要:Blood transfusion is a life-saving act because in some cases, it is the last resort to save an individual’s life. However, the seroprevalence of infectious markers in blood donors is a major public health problem, both in developed and developing countries, in its magnitude. The purpose of this study was to determine the seroprevalence of infectious markers in blood donors. This is a descriptive study conducted in the city of Mbujimayi at kansele Hospital among registered blood donors (family volunteers and paid) from the period 12/01/2017 to 13/01/2018. The data were collected in a cross-sectional manner. The following observations were made: in the study period, 522 blood donors were registered. After analyzing the data, the seroprevalence of HIV/AIDS in blood donors is 4.4%, 2.1% of cases have an HCV serological status and 5.9% a HBS positive serological status, and 2.1% a positive RPR HIV status, the male sex predominated with 85.4% was male.