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IAS 2011: New Studies Add Evidence that PrEP Reduces HIV Infection Risk

Pre-exposure prophylaxis (PrEP) using tenofovir/emtricitabine (the drugs in Truvada) lowers the risk of HIV transmission among heterosexuals, according to 2 African studies to be presented next week at the 6th International AIDS Society Conference of HIV Pathogenesis, Treatment and Prevention (IAS 2011).

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HIV Superinfection Not Seen in Amsterdam Gay Men

No cases of superinfection with additional strains of HIV were detected in a small study of untreated men in Amsterdam who reported continued sexual risk.

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May 18 is National HIV Vaccine Awareness Day

Wednesday marks the 14th annual observance of National HIV Vaccine Awareness Day, calling attention to advances in vaccine research.

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Gene Therapy Microbicide Protects Mice Against HIV

CD4 cells engineered to knock out HIV genes or CCR5 co-receptors blocked viral infection in laboratory cells and humanized mice, suggesting they can be used in a vaginal microbicide to prevent sexual transmission of HIV.

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HIV Treatment Dramatically Reduces Sexual Transmission

Early antiretroviral therapy (ART) decreased the likelihood of HIV transmission between heterosexual partners by 96% in the large international HPTN 052 trial.



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