<qa>  What is the effect of treatment discontinuation in patients with asymptomatic HIV infections?Patients who can discontinue ART without a significant loss of virologic or immunologic control and without an increase in clinical events may be spared the expense and adverse effects of treatment. However, the consequences of treatment discontinuation in patients with asymptomatic HIV infections are not well understood. This study will follow the clinical and immunologic progression of HIV infection in patients who have low HIV viral load and preserved CD4 cell counts at the time ART is stopped. 