Scientists have altered the bacteria lactobacillus, located in the vagina, so that it prevents HIV-1 transmission. If successfully developed, the technology could provide an accessible and durable approach that could be used inexpensively.

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Scientists have altered the bacteria lactobacillus, located in the vagina, so that it prevents HIV-1 transmission. If successfully developed, the technology could provide an accessible and durable approach that could be used inexpensively.