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Am J Dis Child. 1941;61(4):721-726. doi:10.1001/archpedi.1941.02000100055006.
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The supervision of contacts has been generally accepted for a long time as a basic principle in the control of tuberculosis. Unfortunately, the term contact has rarely been exactly defined, and programs have paid little attention to the varying requirements of the supervision of contacts at different ages and under different conditions. This has been particularly true in respect to children, who make up a large part of contact case loads. Within recent years, however, a reorientation to the problem of tuberculosis in children in general has occurred. This has manifested itself in an attitude of skepticism in regard to the value of open air classes, summer camps and preventoriums and has led in some instances to the closing of these institutions. The foundation for this point of view has been furnished by numerous studies of tuberculous infection, morbidity and mortality in children, which have uniformly shown the striking decrease


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