|Acquired immunodeficiency syndrome (AIDS)|
|Klasifikasi dan bahan-bahan eksternal|
Self virus called Human Immunodeficiency Virus (HIV for short) is the virus that weakens the immunity of the human body. People who are exposed to the virus will become vulnerable to opportunistic infections or tumors susceptible. Although there has been handling can slow the spread of the virus, but the disease is not completely curable.
HIV and the virus-like viruses are generally transmitted by direct contact between the skin layers (mucous membrane) or the bloodstream with a bodily fluid containing HIV, such as blood, semen, vaginal fluid, preseminal fluid, and breast milk.   Transmission can occur through sexual intercourse (vaginal, anal, or oral), blood transfusion, contaminated hypodermic needles, between mother and baby during pregnancy, childbirth, or breastfeeding, or other forms of contact with the body fluids.
Scientists have generally found that HIV originated in sub-Saharan Africa.  Today AIDS has become a disease. AIDS estimated 38.6 million people worldwide.  In January 2006, UNAIDS in collaboration with the WHO estimate that AIDS has killed more than 25 million people since it was first recognized on June 5, 1981. Thus, this disease is one of the deadliest plague in history. AIDS claimed to have caused the death of as many as 2.4 to 3.3 million in 2005 alone, and more than 570,000 of them are children.  A third of these deaths occur in Sub-Saharan Africa, retarding growth economy and destroy the power of the human resources there. Antiretroviral treatment can actually reduce the death rate and severity of HIV infection, but access to treatment is not available in all countries. 
Social penalty for people with HIV / AIDS, are generally more severe when compared with other deadly disease. Sometimes the social punishment were also tertimpakan to health workers or volunteers, who are involved in caring for people living with HIV / AIDS (PLWHA).