Acquired Immune Deficiency syndrome or AIDS is a collection of symptoms and infections resulting from the specific damage to the immune system caused by the human immunodeficiency virus. The late stage of the condition leaves individuals prone to opportunistic infections and tumors. Although treatments for AIDS and HIV exist to slow the virus’s progression, but, there is no known cure.

There is currently no vaccine or cure for HIV or AIDS. The only known method of prevention are based on avoiding exposure to the virus or failing that an antiretroviral treatment directly after a highly significant exposure, called post-exposure prophylaxis.