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1 Fulbright Exchange Professor, Vallabhbhai Patel Chest Institute, University of Delhi, 1959-1960
2 Arcadia, California
The criteria used in the West for estimating the incidence and prevalence of tuberculous infection and disease, and for the determination of the death rate, an even for the identification of the tubercle bacillus itself, are not adequate in India. Reactions to the tuberculin test in India are not all due to previous infection by human tubercle bacilli. X-ray readings give rise to wide differences in interpretation. Even the tubercle bacilli which are isolated are different from those reported from other countries. Death records are misleading and necropsies may be unrepresentative. Recognition of these facts facilitates the evaluation of the available data and the correction of estimates derived from them.
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