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HIV/AIDS Statistics in the Republic of South Africa (RSA): An Analysis of HIV/AIDS Mortality Comparing Death Counts, Surveillance Data, and Modeled Estimates
Health Alert Communications, Oct 2011, Pages: 84
Few people realize that the familiar HIV/AIDS global statistics are actually estimates. For example, UNAIDS estimated that the Republic of South Africa had 360,000 HIV/AIDS deaths in 1997. However, after tabulating all deaths for 1997, the Republic of South Africa attributed only 6,635 deaths to HIV/AIDS.
Such discrepancies are rarely noted. The familiar HIV/AIDS estimates are pasted into maps widely circulated by UNAIDS and the World Health Organization, and then published in medical, scientific, and public publications; displayed in professional slide shows; broadcast on television and over the radio; therefore, these estimates prevail over public and professional perceptions. Death counts and surveillance reports, and the data-based profiles they embody, receive no such extensive distribution.
The Republic of South Africa (RSA) stands as the exemplar of these discrepancies. It is reputed to have the world's largest AIDS epidemic with an estimated 5.6 million people living (PLWH) with HIV/AIDS at most recent count. Such PLWH estimates, as with the estimates of death counts, are highly questionable.
Although, HIV/AIDS Statistics in the Republic of South Africa will clarify the discrepancies between surveillance data and modeled estimates by describing two common misunderstandings of HIV infection that contribute to poor modeling outcomes, this report is not a critique of these mathematical models. Rather, this report provides a service by presenting the actual surveillance data and comparing them with the WHO/UNAIDS estimates as well as placing all this information in context relative within the medical literature documenting HIV/AIDS epidemic.
HIV/AIDS Statistics in the Republic of South Africa presents raw numerical data on (1) HIV/AIDS deaths in the RSA, and (2) the AIDS cases detected by RSA disease surveillance systems. These data are compared with (3) UNAIDS/WHO estimates for AIDS deaths in the RSA, and (4) UNAIDS/WHO estimates for the number of people living with HIV/AIDS (PLWH). The surveillance data for the United States and (all of) Africa are also presented for purposes of comparison and to place the African and RSA data within appropriate epidemiological context. Also, several extrapolations are offered in which HIV/AIDS deaths allotted to varying percentages of all deaths in accordance with variant percentages theorized by several respected authors. Overall, these data span from 1981 to 2009.
HIV/AIDS Statistics in the Republic of South Africa also places all these numerical values into appropriate context within the natural course of HIV infection (including heterosexual HIV transmission and mortality rates), as presented by the medical and scientific literature. Simply stated, the alleged high HIV seroprevalence rates found in the RSA are beyond the limits of physical reality in terms of heterosexual HIV transmission.
Collectively, these empirical data reconfigure the statistical scenario upon which decisions are made. These new data indicate that past and current UNAIDS estimates for HIV/AIDS deaths in the Republic of South Africa could be overestimated by two orders of magnitude. The estimates for the number of people living with HIV/AIDS in all of Africa are likely to be inflated in a similar fashion; such WHO estimates were consistently 25 – 30 times the number of actual reported cases from 1993 to 2000.
The Republic of South Africa (RSA) stands as the exemplar of the discrepancies between HIV/AIDS estimates and surveillance data. Such circumstances are likely repeated in many tropical, indigent settings.
This information has powerful implications that could affect funding, research prerogatives, and strategies for diagnosis and intervention. This research allows resources to be allocated with greater confidence now, and encourages preparation for shifting dynamics in the future.
HIV/AIDS Statistics in the Republic of South Africa is adjuvant to Redefining the Size, Scope, and Scale of the AIDS Epidemic by Forensic Review of the Medical Literature, and provides numerical substantiation to some of the assertions presented in the principal report.
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