https://www.thebodypro.com/article/why-a-new-vaginal-ring-could-be-a-game-changer-in-
Why a New Vaginal Ring Could Be a Game-Changer in HIV Prevention
    Truvada is a pre-exposure antiretroviral tablet. (Credit: EPA/Maurizio Gambarini)
    Truvada is a pre-exposure antiretroviral tablet.EPA/Maurizio Gambarini
    The dapirivine vaginal ring.
    The dapirivine vaginal ring.