4 Song Song R R Hall Hall HI HI Green Green TA TA Szwarcwald Szwarcwald CL CL Pantazis Pantazis N N Using CD4 Data to Estimate HIV Incidence, Prevalence, and Percentof Undiagnosed Infections in the United States Using CD4 Data to Estimate HIV Incidence, Prevalence, and Percentof Undiagnosed Infections in the United States J Acquir Immune Defic Syndr J Acquir Immune Defic Syndr 2017 2017 74 74 1 1 3 3 9 9 10.1097/QAI.0000000000001151 10.1097/QAI.0000000000001151 27509244 27509244. This evidence concerns the gene CD4 and infection.