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.
Scientific disinformation and the 1959 HIV-positive blood test from Africa. By predating HIV back to the 1930s, the chimp theory effectively discredits the man-made theory of AIDS, which dates the introduction of HIV to the late 1970s. Only time will tell whether the chimp theory will hold up to further scientific scrutiny.