<qa>  How many infusions of VRX496 will be given in Step 1 of the trialThe study is intended for individuals who are doing well on HAART therapy. In Step 1 of the trial, individuals will be given up to 6 infusions of the study drug VRX496 to see the effect on viral load and CD4 counts. If individuals have no serious adverse effects from the infusions of VRX496 and the viral load and CD4 counts remain stable, they may go on to Step 2 of the study. In Step 2, individuals will stop taking their HAART medication and their viral load, CD4 counts and the number of VRX496 in T cells will be monitored. 