Incidence of T.B. as judged by re-surveys: a study of Delhi police
Sikand, B.K.; Narain, Raj and Mathur, G.P. (1959) Incidence of T.B. as judged by re-surveys: a study of Delhi police. Indian Journal of Tuberculosis, 4 (3). pp. 73-83.
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The paper incorporates the findings of a study of Tuberculosis in the Delhi Police extending over nearly six years. Three Mass X-ray Surveys of the Police Force were made during this period, discovered cases being treated or put under observation, depending upon the type of disease. It was found that out of 1,000 healthy adults in this group, 10.7 breakdown every year and that 4.9 of these need treatment and 2.8 are bacillary. It is pointed out that the breakdown patterns of the 'Inactive' cases and cases of 'Doubtful Activity' appear to be different although in the long run these two groups tend towards equality. The limited tuberculosis control measures taken in the group did not make any difference in the incidence of new disease during this period. In the absence of any comparable data, it is not possible to say whether this incidence was less than that in the period before the study started.
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