EXTENT OF MILK-BORNE DISEASE 



381 



The summarized English, German, and American findings in 

 1511 cases are given below: 



COMBINED TABULATION SHOWING ORIGIN OF CASES OF 



TUBERCULOSIS. 



The percentage incidence of bovine infection would, therefore, 

 be as follows: 



Adults sixteen Children five Children under 

 years and over, to sixteen years. five years. 



Pulmonary tuberculosis . . . . 0.4 



Tuberculosis adenitis, cervical . . 2.7 



Abdominal tuberculosis . . . . 20.0 

 Generalized tuberculosis, alimentary 



origin 14.0 



Generalized tuberculosis .... 

 Generalized tuberculosis, including 



meningitis, alimentary origin . . 



Tubercular mentingitis .... 



Tuberculosis of bones and joints . 3.3 



Tuberculosis of skin 23. 







38.0 

 53.0 



57.0 

 16.0 





 



6.8 

 60.0 



2.8 

 61.0 

 58.0 



47.0 



8.6 



66.0 



4.6 











It is probable that the majority 'of all cases of bovine tuberculosis 

 in man are due to infected milk, as there is little danger from meat 

 since it is usually cooked and tuberculosis of the muscles is very 

 rare. 



Tuberculosis is quite prevalent among cows, varying in different 

 places from a few to as high as 50 per cent. Savage gives from 



