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Progress in Pediatrics
March 1949


Am J Dis Child. 1949;77(3):376. doi:10.1001/archpedi.1949.02030040386010

NURSING students at the Cook County Hospital, Chicago, have been vaccinated with BCG since 1940. Vaccination is administered during their first week of training. Only those students are vaccinated who do not react to 1 mg. of old tuberculin and who have normal roentgenograms of the chest. In none of the 142 nurses vaccinated over a seven year period has pulmonary tuberculosis developed. In 199 controls who did not react to 1 mg. of old tuberculin and who were less exposed to tuberculosis than the vaccinated nurses, since the latter are allowed to work in the tuberculosis hospital, whereas the former are not, there were 3 cases of pulmonary tuberculosis. All required rest in bed and 2 sanitarium care. Three additional cases of pulmonary tuberculosis occurred among the 286 positive reactors to tuberculin.

In the 109 medical students vaccinated at the University of Illinois since 1939, there have been no

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