http://www.retrovirology.com/content/pdf/1742-4690-7-37.pdf
The research was centered on compounds that could be used to develop a microbicide against HIV transmission. The underpinning idea is a gel-like substance that can be applied to the vaginal lining preceding sexual intercourse, which neutralizes the HIV virus before it can infect the human body. One of the major advantages of this microbicide is that the user does not need to be vaccinated against the virus, since the development of vaccine still has a long way to go.