38 



Greig & MAITRA (Karachi. India) report on the frequent occur- 

 rence of Pfeiffer's bacillus in the accessory nasal sinuses; 

 they constantly found it associated with Pneumococcus in this situa- 

 tion in 19 influenza autopsies. The same applies to E. F. Mlller 

 (Hamburg) and Crowe & THACKER-NEVILLE (Baltimore^ The 

 last-named authors made cultivations from numerous cases of in- 

 I'lammalion of the maxillary sinus for some years before the pan- 

 demic and also shortly after it had ceased. They found Pfeiffer's 

 bacillus with practically the same frequency in both periods. In 

 the years 1912—18 it was found in 15 out of 70 cases; from Feb. 

 to April 1919 (the examinations were started G weeks after the 

 epidemic had ceased) in 8 out of 30 cases. 



As regards the occurrence of Pfeiffer's bacillus in heal- 

 thy persons (in addition to the authors already referred to, 

 Preuss, Williams and others) the following have reported: 



Siler found it in 595 out of 2197 healthy soldiers in the 

 British army in France during the epidemic. 



PriTCHETT »£: Stillman (New York 1919) cultivated Pfeiffer's 

 bacillus from 74 out of 177 healthy persons who denied having 

 had influenza. The positive findings were rather more frequent 

 in the throat than in the saliva. The investigations were continued 

 by WiNCHELL & Stillman who found Pfeiffer's bacillus in 74 out 

 of 190 children in a Children's Home where influenza was said 

 to be absent. In 19 cases it was shown to persist for 4—5 months' 

 in the same individual. No alteration could be observed in the 

 frequency of occurrence of the microbe in healthy individuals from 

 Dec. 1918 to June 1919 although influenza died out in this interval. 



In the investigations at the Rockefeller Institute during the win- 

 ters of 1918—19, 1919—20 and 1920—21 Pfeiffer's bacillus was found 

 altogether in 332 out of 1077 healthy persons. (Stillman). 



Lord, Scott, & Nye found Pfeiffer's bacillus in 26 out of 31 

 soldiers who had been quite well for the last 3 months. 



WOLLSTEIN & Spence (1920) found it in 10<y of 266 healthy 

 children under 2 years. 



Edington demonstrated Pfeiffer's bacillus by cultivation in 3—9 

 men out. of each of 10 lots of 50 men. In comperative examina- 

 tions of 200 men he found that cultivation from the naso-pharynx 

 via the mouth yielded better results than from the nose or tonsils 

 (Cf. Williams, and Pritciiett & Stillman). 



Skajaa (Bergen) found Pfeiffer's bacillus in 19 out of 20 sol- 

 diers in Nov. 1919. 



Of authors who deal particularly with the occurrence of 

 Pfeiffer's bacillus in morbid conditions other than 

 influenza, may be mentioned: 



