Immunology and Virology of HIV infection study is exploring the immunology and virology of HIV in those who were not taking medications for HIV. This study completed enrollment and is no longer accepting new participants. If this study interests you, we are currently enrolling for Project ReACH, INSIGHT, and THRIVE+. We invite you to learn more and take the prescreener for Project ReACH here, for INSIGHT here, and for THRIVE+ here.