Trend in the prevalence of TB infection and ARTI after implementation of a DOTS programme in south India.
Gopi, P.G.; Subramani, R.; Narayanan, P.R.
International Journal of Tuberculosis and Lung Disease; 2006; 10; 346-348.
Summary : 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; surveys; infection; trend in ARTI
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