In the offices of large numbers of physicians in the United States, the examination for the presence of tuberculous infection has become as routine as that for syphilitic infection. Literally millions of such examinations are performed annually. The procedure now in practice has been extremely effective in leading to the detection of unsuspected pulmonary tuberculosis.
The Surgeon General of the United States Public Health Service, Dr. Thomas Parran, has seen the great value of this program and has said that the entire population of the United States should be tuberculin tested and that x-ray examination should be made of the chests of the reactors together with the other phases of the examination necessary to diagnose the existing tuberculosis in this country. Yet Lumsden, Medical Director, United States Public Health Service, has cast disfavor on the scheme following a small personal survey. This dissenting voice may have created doubt in the