... could prevent HIV infection among people who inject drugs. Jonathan Mermin, M.D., director of CDC's Division of HIV/AIDS Prevention said that this is a "significant step forward for HIV prevention. We now know that pre-exposure prophylaxis (PrEP) ...
http://www.medicalnewstoday.com/articles/261888.php
http://www.medicalnewstoday.com/articles/261888.php