Status and epidemiological characteristics of human immunodeficiency virus infection in voluntary blood donors in Jinan, China

Objective To investigate the status and epidemiological characteristics of human immunodeficiency virus (HIV) infection in voluntary blood donors in Jinan, China, and to provide a basis for formulating reasonable HIV blood screening strategies and improving blood donation recruitment in this region. Methods A retrospective analysis was performed for the preliminary screening results of HIV antibody/antigen and nucleic acid of the blood samples of all voluntary blood donors in Jinan Blood Supply and Security Center from 2014 to 2020. According to the confirmation results of reactive samples from Jinan Center for Disease Control and Prevention, the epidemiological data and blood donation data of HIV-positive individuals were collected by consulting the information management system of Shinow Blood Station. Results Among the 284 778 samples, 277 were reactive for primary screening, resulting in a reactivity rate of 0.97‰. Among the 65 reactive samples based on dual-reagent ELISA, 46 were confirmed positive, with