Blood from an infected person can stay in a needle or syringe and then be transmitted to the next person who uses it. Don't do drugs of any kind. Sharing needles to inject drugs can infect you. And many drugs, especially alcohol, can cloud your judgment and cause you to do things that place you at risk for HIV infection. Delay sexual intercourse Don't have sexual intercourse.
Abstinence is the only sure protection.
If you do have sexual intercourse, wait until you are in a long-term, mutually faithful relationship, such as marriage, with an uninfected partner. Remember, every 11 seconds a teen in the U.S. gets a sexually transmitted disease. Remember, every 30 seconds a teen in the U.S. gets pregnant. When you decide you are ready to become sexually active, do so only with one uninfected partner in a mutually faithful, long-term relationship, such as marriage. If you have sexual intercourse outside of a mutually faithful, long-term relationship with an uninfected partner, use a latex condom.