752 



Tuberculosis 



his views. A most fertile research, the results of which form 

 a valuable addition to our knowledge of the problem, has 

 been published by Park and Krumwiede,* who, basing their 

 opinions upon the following tabulation of 1224 cases, 



COMBINED TABULATION CASES REPORTED AND OWN SERIES OF CASES. 



Mixed or double infections, 4 cases. 



Total cases, 1224. 



come to the following conclusions : 



Conclusions. Bovine tuberculosis is practically a negligi- 

 ble factor in adults. It very rarely causes pulmonary tuber- 

 culosis or phthisis which causes the vast majority of deaths 

 from tuberculosis in man, and is the type of disease respon- 

 sible for the spread of the virus from man to man. 



In children, however, the bovine type of tubercle bacillus 

 causes a marked percentage of the cases of cervical adenitis, 

 leading to operation, temporary disablement, discomfort, and 



* "Journal of Medical Research," 1910, xxin, No. 2, p. 205; 191 1, 

 xxv, No. 2, p. 313. 



