Device Very Effective at Preventing Immunodeficiency Virus

It's often said that the HIV/AIDS epidemic has a woman's face. The proportion of women infected with HIV has been on the rise for a decade; in sub-Saharan Africa, women constitute 60 percent of people living with the disease.

http://www.northwestern.edu/newscenter/stories/2013/10/device-extremely-effective-at-preventing-immunodeficiency-virus.html