HIV/AIDS occupy a special place among other diseases. It is incurable and frightening disease, causing anger and denial. In the consciousness of people it is associated with violations of the norms of morality and causes condemnation. Those affected by it, have to face with a unique attitude of society - different than for the rest of the incurable diseases: blaming, abuse, discrimination, avoidance...It is important to overcome this barrier of fear, ignorance and prejudice. Knowledge about this deadly infection is the most important part of prevention. HIV/AIDS can affect anyone, regardless of his social status, ethnicity and financial position. The more professional information about HIV infection will be available, the less people will be unwarranted by the sense of fear for their own and relatives' safety. In Latvia cases of HIV/AIDS are registered since 1987. The first instances of HIV in Latvia, like elsewhere in the world, were discovered among men who had it through homosexual contact. Until the mid-nineties, the infection spread practically through the way of sexual contact, and every year relatively few cases of HIV were discovered.