Hopeful Signs in the Fight Against HIV and AIDS
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World experts are gathering in Washington this week for the International AIDS Conference, which starts this Sunday. The meeting comes as a Bay Area drugmaker prepares to sell its medication Truvada to non-infected people, as a way of protecting them from HIV. For AIDS activists and researchers, it's just one step closer to what everybody really wants - a cure, or at least, a vaccine. Susan Buchbinder directs the HIV research section at the San Francisco Department of Public Health. She's been involved in vaccine trials to fight the virus that causes AIDS.