Credit: Gregory Heisler for TIME

Virologist David Ho has developed an AIDS treatment that just might lead to a cure Click here for audio

"We're looking at an enormously active process. This virus is constantly churning, producing more progeny virus which go on to produce new infections. And this goes on relentlessly." Click here for audio

"There are periods where one cannot think about other things, other than these rather exciting results on patients that we see. And some of these patients we know extremely well, and it's obviously very gratifying." Click here for audio

" We expect to be able to control the virus better and better, and hopefully, in the near future, we could begin to talk of glimmers of getting rid of this virus. But one should not think that this battle is over, but progress is being made, and particularly recently." Click here for audio

"There's a lot of work that remains. Most important, I think, is in the area of vaccine development. The therapies that we've been talking about affect only a small percentage of the infected population -- worldwide, the large community of infected individuals will not be affected by the therapies that we're talking about. And so the only effective way to contain this epidemic is to do it by preventive methods, through education and through the development of a protective vaccine." Click here for audio

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