Epidemiology of tuberculosis in Benin
Abstract:SETTING: Benin, West Africa.
OBJECTIVE: To describe the epidemiology of tuberculosis (TB) in Benin.
DESIGN: Analysis of two tuberculin surveys initiated in 1987 and 1994 and of the quarterly reports of the Basic Management Units to the National Tuberculosis Programme from 1995 to 2007.
RESULTS: The average annual risk for a child in Benin of becoming infected with Mycobacterium tuberculosis was around 0.5% in the mid 1980s. The notification rate increased by approximately 1% each year over the observation period and was on average 35 per 100 000 population, with a male-to-female sex ratio of 1.8 and no shift in the age structure of the cases over the observation period. Human immunodeficiency virus prevalence was 14% (97% of the patients were tested). There is a strong gradient of incident notification rates from the north to the south of the country that seems to be related to the population density.
CONCLUSION: Both the tuberculin skin test survey results and the notification data suggest that the TB problem in Benin is much smaller than in eastern and southern African countries.
Document Type: Regular Paper
Affiliations: 1: Programme National de Lutte Contre la Tuberculose, Cotonou, Benin 2: Department of Tuberculosis Control and Prevention, International Union Against Tuberculosis and Lung Disease, Paris, France 3: Department of Tuberculosis Control and Prevention, International Union Against Tuberculosis and Lung Disease, Paris, France; Institute of Social and Preventive Medicine, University of Zurich, Switzerland
Publication date: January 1, 2011
The International Journal of Tuberculosis and Lung Disease publishes articles on all aspects of lung health, including public health-related issues such as training programmes, cost-benefit analysis, legislation, epidemiology, intervention studies and health systems research. The IJTLD is dedicated to the continuing education of physicians and health personnel and the dissemination of information on tuberculosis and lung health world-wide.
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