Vaginal ring somewhat effective at preventing HIV infection
Some women fail to consistently use device, first trials find
![a vaginal ring](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2016/02/022216_ls_dapivirine.jpg?fit=860%2C460&ssl=1)
RING OF PROTECTION Two large studies find that a vaginal ring containing an antiviral drug can help protect women against HIV infection.
AFP