Take care of their own health, it is always healthy. And in the meantime, to prevent others, or someone close to AIDS. Care should be taken to make a documentary of the mucus, saliva, urine and excreta were thrown or fouling others. It may have been infected with HIV runoff. The spit or mucus Use a container that can be discarded or cleaned easily ,Use a condom every time you have sex. Wash hands with soap and water to prevent transmission of the disease and the easiest way. I do not have to wash all the touching must be regular. If there is no open wounds and no contact with secretions of an infected person. Wash your hands every time you touch the water shed of the infection.