With nearly 7,000 people being infected with HIV every day, societies around the world need new techniques to keep sex safe. Currently, condoms provide the highest protection against HIV infection during intercourse. Although male condoms go back as far as at least 1,000 B.C. in ancient Egypt, researchers are still trying to improve them. For example, a newly developed spray-on approach provides a custom fit condom (although the drying time required for the latex will have to be shortened for the product to reach market). The first female condom, however, didn't reach the market until 1992; and female condoms have not been widely used, partly owing to their cost, which is usually ten times as much as a male condom. Here are three new approaches to improving HIV protection for women.
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