Journal of Infectious 

 Diseases 



FOUNDED BY THE MEMORIAL INSTITUTE FOR INFECTIOUS DISEASES 



VOL. 3 March 2, igo6 No. i 



THE BACTERIOLOGY OF WHOOPING-COUGH* 

 DAVID J. DAVIS. 



(From the Memorial Institute for Infectious Diseases, Chicago.) 



CONTENTS. 

 I. INTRODUCTION. 



Importance of Determining the Cause of Pertussis. 

 Reasons for Assuming it an Infectious Disease. 

 Possible Nature of the Virus. 

 II. LITERATURE. 

 Protozoa. 

 Cocci. 

 Bacilli. 

 Conclusions from Literature. 



III. PERSONAL OBSERVATIONS. 



Technique and Material. 



Bacteriology of Cases. 



Influenza-like Organisms. ^ . 



Morphology. 



Cultural Characteristics. 



Symbiosis. 



IV. ANIMAL EXPERIMENTS. 



Literature. 



Experiments upon Lower Animals. 

 Human Inoculation. 



V. INFLUENZA-LIKE ORGANISMS IN OTHER DISEASES AND IN NORMAL THROATS. 

 Measles. Influenza. Meningitis. Bronchitis. Varicella. Normal Throats. 

 Literature. 

 Pertussoid. 



VI. NOMENCLATURE OF THE BACILLI. 

 VII. SUMMARY AND CONCLUSIONS. 



*This work was made possible by a fund given by Mrs. F. R. Lillie for the study of whooping-cough, 



