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Tuberculin Reactors Among Children in Highly Infected Chicago Areas

AMA Am J Dis Child. 1957;93(4):436-452. doi:10.1001/archpedi.1957.02060040438013.
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Interest in tuberculosis in childhood, acquired during several years of observation of children in the Mantoux Clinic at Children's Memorial Hospital and the Pediatric Chest Clinic at Michael Reese Hospital led to a study of the incidence of tuberculin reactors among the clinic populations of these institutions. The pupils at one elementary school in close proximity to Michael Reese Hospital were also tested.

Organization of Study  A. Michael Reese Hospital.—The study ran over an 11-month period—June, 1952, to May, 1953. Selection of patients for testing was made at random in the General Pediatric Clinic, 15 to 20 children being tested at four clinic sessions weekly on Monday, Wednesday, Thursday, and Friday. Readings were made 96 hours later, except for the tests applied on Wednesday, which were read after 120 hours. The Vollmer patch test was used, with the patch applied to the intrascapular area to the left of the


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