Trend in the prevalence of TB infection and ARTI after implementation of a DOTS programme in south India [Short Communication]
Abstract: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.
Document Type: Short Communication
Affiliations: Tuberculosis Research Centre, Chennai, India
Publication date: March 1, 2006
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