This phlebotomy protocol permits the collection of blood from individuals known to be at high risk for HIV-infection or who have been recently infected with HIV.~Participants will have from 10 to 60 ml (approximately 1 to 4 tablespoons) of blood drawn for one or all of the following tests:~T cell subset enumeration~Serologic reactivity with HIV antigens~Viral load assays by bDNA, PCR, or RT-PCR~Routine Laboratory assessments (chemistries, liver function tests, hepatitis serology, RPR)~HIV-1 Resistance Testing~These data are used for diagnostic, prognostic and management decisions as outlined by current HIV-1 Treatment Guidelines
To study the collection of blood from individuals known to be at high risk for HIV-infection or who have been recently infected with HIV.~The data collected are used for diagnostic, prognostic and management decisions as outlined by current HIV-1 Treatment Guidelines.