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Free Content Trend in the prevalence of TB infection and ARTI after implementation of a DOTS programme in south India [Short Communication]

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OBJECTIVE: To estimate the risk of tuberculosis (TB) infection among children <10 years and assess the impact of a DOTS-based programme.

SETTING: After DOTS implementation in Tiruvallur district, south India, we undertook three tuberculin surveys and estimated the ARTI among children aged <10 years.

RESULTS: The ARTI estimates in the three tuberculin surveys were 1.6%, 1.4% and 1.2%, respectively. There was a significant decline in the trend of TB infection (P < 0.001). The annual decline estimated from the first to the third survey was 6%.

CONCLUSION: DOTS implementation was associated with a substantial reduction in the risk of TB infection among children.

Keywords: DOTS; infection; surveys; trend in ARTI

Document Type: Short Communication

Affiliations: Tuberculosis Research Centre, Chennai, India

Publication date: March 1, 2006

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  • 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.

    Certain IJTLD articles are selected for translation into French, Spanish, Chinese or Russian. They are available on the Union website

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