Geographic Distribution of Histoplasmin and Tuberculin Reactors among Ohio State University Freshmen and Student Nurses Training in Columbus, Ohio Hospitals

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Abstract
The % of reactors to histoplasmin was lowest among persons from the n.-e. part of the state and highest among those from the s.-w. section. There was no similar geographic distribution of tuberculin reactors. There were more reactors to histoplasmin among life-time residents of farms and fewer tuberculin reactors than among students who did not have such residence.