There’s Just Been a Major Breakthrough in HIV Prevention

Researchers have just made a breakthrough discovery in HIV prevention, and it all has to do with the vagina.

The vagina contains a symbiotic population of good bacteria that feed on the vaginal skin and in exchange keep out bad bacteria and other contagions. Now, researchers believe that this physical and chemical barrier may be instrumental in keeping out STDs — including HIV.
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A team at the University of Texas Medical Branch at Galveston tested the theory by growing vaginal skin cells in a lab. The researchers then collected bacteria from women during gynecological exams. One group of skin cells was colonized with the healthy bacteria, while the other was not, and both groups were then given the same doses of HIV and antiviral drugs.

What the researchers discovered was that the healthy bacterial population was very effective at keeping out HIV: “Vaginal surfaces occupied by healthy bacteria and treated with the antiviral produced significantly less HIV than those vaginal surfaces without bacteria treated with the same antiviral,” they found.