Annual risk of tuberculous infection in rural areas of Junagadh district
Chadha, V.K.; Vaidyanathan, P.S. and Jagannatha, P.S. (2001) Annual risk of tuberculous infection in rural areas of Junagadh district. Journal of Communicable Diseases, 33 (4). pp. 231-239.
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Paucity of epidemiological data on tuberculosis in India prompted the National Tuberculosis Institute, Bangalore to embark upon a nation-wide survey to estimate the Annual Risk of Tuberculosis Infection in different parts of the country. The survey in Junagadh district, one of the 26 districts drafted under the nation-wide survey is reported here. The prevalence of infection from the analysis of 3164 children not displaying scars of the BCG vaccination was 4.16 % (CI : 3.17-5.14) and from this data the ARI was computed as 0.73% (CI: 0.55-0.91). The inclusion of vaccinated children into the study group yielded similar results. The estimate of the ARI in Junagadh district is lesser than that in several other parts of India which is probably in consonance with its better socio-economic development.
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