Prior to 1981
HIV transfers to humans in Africa 60–100 years earlier.
First cases of previously unidentified illness reported.
AIDS acronym established for Acquired Immune Deficiency Syndrome.
3,000 cases reported in US of which 1,000 have died.
Scientists in France and US identify HIV as cause of AIDS.
38,000 cases reported from 85 countries.
Eight million people estimated to be living with HIV.
First combination therapy becomes widely available in western countries.
Deaths related to AIDS begin to decline in developed countries and Brazil becomes first developing country to offer universal access to combination therapy.