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World Health Organization : Year 1999 ; Assessment Document, A68867: Methods for Modeling the HIV/AIDS Epidemic in Sub-Saharan Africa

By Joshua A. Salomon

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Book Id: WPLBN0000158841
Format Type: PDF eBook
File Size: 0.1 MB
Reproduction Date: 2005
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Title: World Health Organization : Year 1999 ; Assessment Document, A68867: Methods for Modeling the HIV/AIDS Epidemic in Sub-Saharan Africa  
Author: Joshua A. Salomon
Volume:
Language: English
Subject: Health., Public health, Wellness programs
Collections: Medical Library Collection, World Health Collection
Historic
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Publisher: World Health Organization

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Salomon, J. A. (n.d.). World Health Organization : Year 1999 ; Assessment Document, A68867. Retrieved from http://worldebookfair.org/


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Medical Reference Publication

Excerpt
Introduction Since the first cases of AIDS were identified in the United States nearly two decades ago, HIV/AIDS has emerged as one of the leading challenges for global public health. Particularly in sub-Saharan Africa, where the overwhelming majority of HIV and AIDS cases appear, the epidemic continues to take a massive human toll. An understanding of the magnitude and trajectory of the HIV/AIDS epidemic, as well as the uncertainty around these parameters, is critically important both for planning and evaluating control strategies and for preparing for vaccine efficacy trials. Particularly as efforts mount to make new technologies more widely available in the developing world, tradeoffs among different potential interventions and other critical policy decisions must be based on the best possible information on the current levels and trends in the epidemic. Unfortunately, population-based epidemiological data are extremely limited in sub- Saharan Africa. Incidence data in representative study samples are rare due to the difficulty of direct measurement of population incidence and the high costs and long follow-up periods required for cohort studies. AIDS notification data represent only a fraction of new cases of AIDS and are subject to the problems of reporting delays. Information on HIV/AIDS-attributable mortality is also essential to assessments of the impact of the epidemic, but vital registration systems have extremely limited coverage in most of sub-Saharan Africa; other population-based information on mortality, while increasingly available for children through the Demographic and Health Surveys, for example, are relatively uncommon for adults.

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