If any rips or tears in the anal or vaginal walls bleed during sex, a condom will also protect against the exchange of infected blood. A condom should also be used during oral sex. HIV present in infected semen could enter the body through any open cuts in the mouth. It is a sad fact of life that some of our people are addicted to drugs. And it is a dangerous fact of life that they often share the needles they use to shoot up.
Needles can put much more than drugs into the blood stream.
If that same needle is then infected into another body, any viruses, including HIV, in that small blood trace will infect the new user. It would be ideal if all drug users could heal their addictions. But that is an unrealistic hope. If you, or someone you know, is using needles to shoot drugs and cannot stop, at least use a clean needle every time. And never, ever share.