Anti-aids drug coated vaginal ring gives partial protection against HIV

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Women who inserted a vaginal ring coated with an anti-AIDS drug once a month were partially protected against HIV infection, researchers said Monday as they released long-awaited results from two large studies in Africa.The ring proved safe although the protection was modest, reducing overall HIV infection by less than a third. Surprisingly, the ring worked far better in women 25 and older, leaving researchers wondering if the youngest women, who got little to no benefit, simply didn’t use the device properly.Women make up more than half of the nearly 37 million people worldwide living with HIV, most of them in hard-hit Africa, and scientists have long sought tools to help them protect themselves when their partners won’t use a condom.

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