Source:http://linkedlifedata.com/resource/umls/id/C2963174
MEDLINEPLUS: <p>In the early 1980s, when the <a href='http://www.nlm.nih.gov/medlineplus/hivaids.html'>HIV/AIDS</a> epidemic began, patients rarely lived longer than a few years. But today, people infected with HIV have longer and healthier lives. The main reason is that there are many effective medicines to fight the infection.</p><p>Most medicines fall into one of the following three categories</p><ul> <li>Reverse transcriptase (RT) inhibitors. These medicines interfere with a critical step during the HIV life cycle and keep the virus from reproducing.</li> <li>Protease inhibitors. These medicines interfere with a protein that HIV uses to produce infectious viral particles.</li> <li>Fusion inhibitors. These medicines block the virus from entering the body's cells.</li></ul><p>While these medicines help people with HIV, they are not perfect. They do not cure HIV/AIDS. People with HIV infection still have the virus in their bodies, so even when they are taking medicines they can transmit HIV to others through