ART is the acronym commonly used today to describe HIV antiretroviral therapy as HIV is a Retrovirus so medicine blocking or killing this deadly virus is called ART or ARV Medicines. Previous to this, clinicians and scientist would use the term cART (combination antiretroviral therapy), and previous to that the popular term HAART was used to describe "highly active antiretroviral therapy." Whatever the acronym used, the term implies the use of three or more antiretroviral drugs, either taken individually or in fixed-dose combinations.

The aim of therapy is to ensure the suppression of HIV to so-called "undetectable" levels—meaning that the virus is not fully eradicated, but is simply beneath detection levels of current testing assays. As opposed to single-drug or dual-drug therapy, the combination of three or more active drugs is known to effectively suppress the variety of resistant…