The Use of Leukapheresis to Support HIV Pathogenesis Studies

Inclusion Criteria

• •HIV seropositive
• •Able to give informed consent
• •Willing to undergo blood sampling and/or leukapheresis
• •Meeting one of the following criteria: (1) on stable highly active antiretroviral therapy (HAART) with a recent undetectable viral load (\< 50 copies/mL) ("HAART suppressed"), (2) antiretroviral untreated with an undetectable viral load (\< 50 copies/mL) ("elite" controllers) and (3) antiretroviral untreated with a detectable viral load (\> 1000 copies/mL) ("non-controllers")