Group B: Approximately 90 individuals diagnosed with acute HIV-1 infection in the past who have been participating in an ADARC/Rockefeller University Hospital protocol involving treatment of acute HIV-1 infection and are currently on that regimen with HIV-1 RNA consistently less than 50 copies/ml and are interested in changing to a protease inhibitor-sparing regimen or may continue to be treated with medications provided or taken as part of a completed ADARC/RUH study of the treatment of acute and early HIV infection