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now reasonably adequate. Aside from the obvious fact that the preva¬ lence of tuberculous infection and disease is ex¬ tremely high, little is known of the epidemio¬ logical aspects of tuberculosis among the native population. Some information regarding tu¬ berculin sensitivity among Alaska natives was obtained during two BCG vaccination pro¬ grams, one by Aronson in southeastern Alaska in 1938 (1) and the other by the Alaska De¬ partment of Health from 1948 to 1951 (2). Because of the limited information on this subject, it appeared desirable to report the re¬ sults of a tuberculin survey of the villages along the Yukon River during the spring of 1957.

Tuberculin Sensitivity and Tuberculosis among Natives of the Lower Yukon