In addition, those participants who are randomly placed in the group receiving IL-2 and ARV will get an echocardiogram at the beginning of the study and at week 24. They will receive a starting dose of 6 million units of IL-2 as an injection under the skin twice a day. Each of the three IL-2 cycles will last 5 days. After the 24-week period, participants in both groups will stop taking ARV medications if their CD4 count is still equal to or greater than 500 cells per microliter. The study will continue into 120 weeks. Participants will be asked to continue to visit the clinic every 8 weeks for evaluation of their viral load and CD4 counts. Every 24 weeks, they will be asked to answer a questionnaire about their quality of life. Blood tests and other measurements will also be done as follow-up.