ASIATIC CHOLERA. 





that Koch's comma -bacilli are not constantly found; and that 

 the comma-bacilli obtained from typical cholera cases show I 

 great variation in cultivation, and cannot be distinguished from 

 comma-bacilli from other sources. 

 Cunningham asserts that 

 comma-bacilli resembling Koch's 

 are found in the intestine in 

 health. Sternberg, on the other 

 hand, made a number of examina- 

 tions of the evacuations of yellow 



fever patients and healthy indi- ^^^^-BAoauoraBMora, 



1 * x 700 (VAN ERMENGEM). 



victuals, and failed to find anv 



micro-organism resembling the cholera spirillum. 



Various comma-bacilli have been isolated from different s. 

 and compared with Koch's comma-bacillus. Comma-bacilli have been 



found in the mouth by Le\\ i> ; 



( jty, in cholera nostras by Finkler and 



Prior ; in cheese by Deneke ; 

 in hay infusion and sewage hv 

 Weibel ; in the intestines of fowls 

 by Gamaleia, and in water hy 

 Sanarelli. 



Whether the comma -ha (-ill us 



i> the cause of cholera ) 



not, its detection is an aid in 



~* f/ ^ ^AvN^-t^V-. 



>\ cC^-^-^-^d. 



,$ %p&&* 



FIG. 157. FINKLER'S COMMA-BACILLI ; 

 FROM CHOLERA NOSTRAS, x 700 

 (FLUGGE). 



diagnosis. If we are dealing 

 with a case alleged to be one of Asiatic cholera, and a micro- 

 organism is found in the intestinal evacuations, which can be 

 differentiated from the comma-bacillus described by Finkler in 

 cholera nostras, and identified 



with the comma -bacillus de- 



^ 



scribed by Koch, we are justified 

 in regarding the case as one of 

 Asiatic cholera. But we cannot 

 diaL r ii(- Koch's comma -bacill u >, 

 with certainty, unless we know 



the source of the culture. The Fj( . m _ DEXEKE > 8 COMMA-HAHM... 



I--K..M f'HKESE, x 700 



^ \ 



clinical symptoms of cholera in 



man, and especially the presence 



of rice-water stools, must be taken into account, together with 



the biological, morphological, and chemical cha, 



the bacilli which are found to be present. There are several 



