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Here is an excellent discussion of all phases of tuberculosis control work. The authors call attention to the decline of tuberculosis in the United States, which has been almost continuous since 1842. They believe that two mass procedures contribute largely to this decline: (1) the almost complete elimination of tuberculosis in the dairy cattle and (2) the focus of attention on the infectious human being. They point out, however, that little substantial progress has been made in finding cases of early tuberculosis, probably because of the lack of symptoms in this stage of disease. The authors emphasize the importance of reporting cases to the health department. They present evidence to show that among white patients not more than one half of the actual cases are reported.
One is left with the impression that the authors consider the tuberculin test of little importance in mass survey work among adults. They have
The Modern Attack on Tuberculosis. JAMA. 1942;120(6):489. doi:10.1001/jama.1942.02830410077031
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