of ecosystems to deliver services can be assessed by a variety of qualitative. and quantitative methods. An assessment of the condition of ecosystems, the provision of services, and. their relation to human well-being requires an integrated approach.
First proof of an human infected by HIV : 1959 Leopoldville, Congo. EVIDENCE FOR HUMAN INFECTION WITH AN HTLV III/LAV-LIKE VIRUS IN CENTRAL AFRICA, 1959 (Lancet-1986) (HTLVIII/LAV-like virus is the old name for HIV: HTLV-III) Genetic studies about HIV now estimates that HIV-1 appears on humans in Africa, probably few years before 1959.
1984 The Aids Virus is identified it is not the worldwide problem it is today. Following on from the PC Apple releases the Macintosh computer.he Discovery launched for the first time from the Kennedy Space Center in Florida and was in space until September 5th, 1984 when it landed at the Edwards Air Force Base in California.