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Researchers want to block HIV with a ‘therapeutic’ virus

Despite the best efforts to date, a vaccine for HIV remains beyond our reach. It seems every time researchers get close, the virus mutates to stay a step ahead, creating a biological arms race. But a team of scientists at the University of Texas believe they may have found a way to hobble HIV and drastically reduce its virulence. They want to infect susceptible cells with a “good” virus first, one that will effectively immunize them against HIV.

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