IMMUNE SERA 



A CONCISE EXPOSITION OF 

 OUR PRESENT KNOWLEDGE OF 



INFECTION AND IMMUNITY 



BY 



CHARLES FREDERICK BOLDUAN, M.D. 



Director, Bureau of Public Health Education, Department of Health^ 

 City of New York 



AND 



JOHN KOOPMAN, B.S. 



Bacteriologist, Serological Laboratory, Department of Health, 

 City of New York 



FIFTH EDITION, THOROUGHLY REVISED 



NEW YORK 



JOHN WILEY & SONS, INC, 



LONDON : CHAPMAN & HALL, LIMITED 

 1917 



