via Pittsburgh Tribune-Review, by Luis Fabregas

Borrowing a concept used to make breath strips, researchers at the University of Pittsburgh are developing a quick-dissolving vaginal film containing an HIV-blocking drug, officials said Wednesday.

“The idea is that it would dissolve quickly in the vagina to prevent HIV infection,” said Sharon Hillier, a senior investigator at Magee-Womens Research Institute and co-principal investigator of the project. “It’s a bit of an old technique, like the Listerine breath mint strip, but it’s a whole new way of delivering the drug potentially in a less expensive way.”

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