AIDS stands for Acquired Immunodeficiency Syndrome; it is a set of symptoms and infections that arise because of the destruction of the human immune system due to infection with the HIV virus or the infection of other similar viruses that attack other species such as SIV, FIV, and others. It is the reason why to detect AIDS, it can be done by conducting an HIV test, such as the test in the HIV Clinic Singapore.

The virus that causes AIDS is Human Immunodeficiency Virus or HIV is a virus that attacks and weakens the human immune system. So the patient will be vulnerable to opportunistic infections or easily affected by tumors. HIV has not found a drug or vaccine to treat it. Handling can only be done to slow the progression of this virus.

AIDS was first reported on 5 June 1981, when the Centers for Disease Control and Prevention of the United States documented pneumocystis pneumonia which is now labeled as PCP but is acknowledged to be generated by Pneumocystis jirovecii in five men who are homosexual in Los Angeles. Scientists generally argue that AIDS originates in Sub-Saharan Africa.

The two types of HIV species that infect humans are:

1. HIV-1

HIV-1 is more deadly and easier to enter the body. HIV-1 is the source of the majority of HIV infections in the world.

2. HIV-2

HIV-2 is difficult to enter and most are in West Africa. Both HIV-1 and HIV-2 are from primates. The origin of HIV-1 comes from the Pan troglodytes chimpanzee found in southern Cameroon. HIV-2 comes from Sooty Mangabey or Cercocebus atys, monkeys from Guinea Bissau, Gabon, and Cameroon

Many experts argue that HIV enters the human body from contact with other primates, for example during hunting or cutting meat. A more dubious theory which is identified as the AIDS OPV hypothesis implies that the AIDS disease started in the late 1950s in Belgian Congo as a result of Hilary Koprowski’s study of the polio vaccine. However, the scientific community generally argues that the scenario is not supported by the available evidence.