Review of Tuberculosis Control in Asiam in 1996
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چکیده
2. Tuberculin surveys have been carried out in the capital by WHO in 1955, 1968 and 1995 and by the National Tuberculosis Institute in 1981. The results of these surveys are difficult to compare as the sizes of the study groups, the age-distribution of the children, the tuberculin units used and the BCG coverage percentages are different. However, the percentages of non-BCG vaccinated children with indurations of >10 mm declined from 36,7% till 18,4%, 12,3% and 6,7% in chronological order of the studies, i.e. a total decline of 81% or on average 2% per year during the period 1955 till 1995.
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