30th anniversary of the discovery of AIDS

The world on June the 5th Yesterday, the world celebrated the 30th anniversary of the discovery of AIDS. In thirty years what has happened in the world? Is the “gay cancer” still affecting gays  more than straights? What about Africa and the price of drugs? And one of the biggest hopes of this century : a HIV vaccine? After reading several articles, I select an audio interview from The Economistwhich sums up the history of AIDS through these past years and what may happen in the future.