Health & Medicine

New Optimism Among HIV Researchers

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Peter Piot, former Executive Director Joint UN programme on HIV-AIDS speaks during opening of AIDS Conference in 2008, Auditorio Nacional, Mexico City. (Photo: Henry Romero/REUTERS)

This year's International AIDS Conference will highlight a sense of optimism among top HIV researchers about stemming the spread of the virus around the globe.

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Anchor Lisa Mullins talks to Peter Piot, former executive director of UNAIDS, about the new optimism and his career as a virus hunter.

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