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Using health and demographic surveillance to understand the burden of disease in populations: the case of tuberculosis in rural South Africa.

Authors
Type
Published Article
Journal
Scandinavian journal of public health. Supplement
Publication Date
Volume
69
Pages
45–51
Identifiers
PMID: 17676502
Source
Medline
License
Unknown

Abstract

Amongst prevalent PTB cases in the permanent adult population, 70% were detected by the health service; 15% of cases were undiagnosed in the community, while an equal proportion died of PTB prior to diagnosis. The latter groups contributed disproportionately to infectiousness in the community through prolonged duration of symptoms. As most of these cases presented to the health service on a number of occasions, strengthening early case detection should remain the cornerstone of TB control efforts. Strategies to strengthen the application of health & demographic surveillance systems to disease surveillance are discussed.

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