Certainly a step in the right direction.

http://www.foxnews.com/story/0,2933,139879,00.html

After getting three under-the-skin injections of the tailor-made vaccine, the amount of HIV in the patients' blood (called the viral load) dropped by 80 percent. After a year, eight of the 18 patients still had a 90 percent drop in HIV levels. All patients' T-cell counts stopped dropping.

The findings appear in the December issue of Nature Medicine.