Contributors 



WILLIAM B.BAINE.M.D. 



Medical Epidemiologist, Hospital Infections Branch. Bacterial Diseases Division, Bureau of Epidemiology 



ALBERT BALOWS, Ph.D. 



Director, Bacteriology Division, Bureau of Laboratories 



JOHN V.BENNETT, M.D. 



Director, Bacterial Diseases Division, Bureau of Epidemiology 



JOHN A. BLACKMON. M.D. 



Staff Pathologist, Pathology Division, Bureau of Laboratories 



PHILIP S. BRACHMAN, M.D. 



Director, Bureau of Epidemiology 



DON J. BRENNER, Ph.D. 



Chief, Enteric Section, Enterobacteriology Branch, Bacteriology Division, Bureau of Laboratories 



CAREY S. CALLAWAY. B.S. 



Biologist, Pathology Division, Bureau of Laboratories 



FRANCIS W. CHANDLER, D.V.M., Ph.D. 



Chief. Histopathology Laboratory, Pathology Division, Bureau of Laboratories 



WILLIAM B. CHERRY, Ph.D. 



Scientist Director, Analytical Bacteriology Branch. Bacteriology Division. Bureau of Laboratories 



R. ELLIOTT CHURCHILL, M.A. 



Writer-Editor, Editorial and Graphic Services. Bureau of Epidemiology 



ROGER M. COLE, Ph.D., M.D. 



Chief, Laboratory of Streptococcal Diseases, National Institute of Allergies and Infectious Diseases, 

 National Institutes of Health 



DONNA D.CRUCE, M.S. 



Research Microbiologist, Bacterial Immunology Branch. Bacteriology Division, Bureau of Laboratories 



SALLY B. DEES, M.S. 



Research Microbiologist, Analytical Bacteriology Branch, Bacteriology Division, Bureau of Laboratories 



WALTER R. DOWDLE, Ph.D. 



Director, Virology Division, Bureau of Laboratories 



