EXERCISE XC. BACTERIUCl INFLUENZAE (R. Pfeiffer) Lehm. & Neum. 



BACILLUS OF INFLUENZA; LA GRIPPE. 



First described in 1892 by R. Pfeiffer. Found in the sputum and nasal secretions of the diseased. 

 REFERENCES. Pfeiffer: Z. f. H. 1893, 13; 357; A. 334; H. 280; L. & K. 281 ;M. & R. 431; M. & W. 162; McF. 440; P. 320; S. 370. 



PHYSIOLOGICAL CHARACTERS. 



i. Relation to temperature:. 



i. Relation to free oxygen:, 



3. Relation to other agents, such as: 



desiccation, light, disinfectants, etc:. . . 



4. Pigment production: 



5. Gas production in glucose media: 



a. Shake culture 



A. Fermentation tube, growth in: (j) open arm: (2) closed arm: 



(3) rate of development: 24 hours per cent., 48 hours percent., 72 hours percent hours per cent. 



(4) reaction in open arm: (5) gas formula, H : COj : : : 



6. Acid or alkali production, litmus milk 



7. Reduction of nitrates; to nitrites , to ammonia 



8. Indol production; 24 hours ,48 hours days 



fecal odor; 24 hou rs 48 hou rs days 



g. Enzyme production : proteolytic diastatic 



10. Characteristic odor. 



11. Pathogenesis 



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