A potential cure for HIV

Scientists have developed a therapeutic vaccine for HIV which has the potential to create a functional cure for the disease. Here's how it works.

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Have doctors found a cure for HIV? Since 1981 the AIDS epidemic has killed around 35 million people. Up until now HIV antiretroviral drugs have been the only way to control the disease. But they create their own problems as antiretrovirals can cost around $10,000 a year.

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