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.
The 1998 Namibian Ministry of Health and Social Services (MoHSS) HIV sentinel surveys indicate that the prevalence of AIDS is rising faster in Namibia than in any other country in Africa. In Namibia AIDS was first recorded in 1986 when four people were diagnosed HIV positive. Latest estimates of HIV prevalence for the Namibian population between ages 15 and 49 show a rate that exceeds 20%. Positive HIV tests have increased dramatically from 4 045 HIV-positive tests during 1988-92 to 53 330 cumulative HIV-positive tests in 1998.