Which are the different ways for aids prevention?

Multiple: Short of becoming celibate 1. Choose sexual partners carefully and before actively engaging in activities, undergo mutual testing. 2. Avoid promiscuity and multiple partners. 3. Maintain universal protection through condom usage. 4. Avoid illicit drug use, needle sharing or other risky activities on a society level, make sure all infected persons are treated aggressively to maintain low viral load.