THOMAS L. KURT, M.D.
To the editor: Your February issue presents observations from the USPHS Center for Disease Control on the frequency of pertussis in adults and recommendations for immunization (Ann Intern Med 76:289-291, 1972). Our epidemiologic study of the spread of pertussis by adults at the University of Colorado Medical Center showed that the diagnosis of pertussis in adults easily can be mislabeled as a "cold" or "bronchitis" and, further, that infected adults involved in pediatric health care can easily spread pertussis to children (1). Information concerning adult susceptibility to pertussis was shown in this study by the pertussis serologic titers in 341
THOMAS L. KURT. Pertussis Immunization for Medical Personnel. Ann Intern Med. 1972;76:1046–1047. doi: 10.7326/0003-4819-76-6-1046
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Published: Ann Intern Med. 1972;76(6):1046-1047.
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