260 MODERN BIOLOGIC THERAPEUSIS 



employed. Marked improvement is brought 

 about by vaccine therapy in a large number of 

 cases and a majority of them are cured. It 

 should be borne in mind, however, that the dur- 

 ation of treatment in the majority of cases ex- 

 tends from 3 to 5 months, while 6 to 12 months 

 or more may be required for the severe types. 



BOILS 



In the entire list of disorders due to bacterial 

 infection there is probably none which offers 



Staphylococcus. 

 X 1,100 diameters. 



more evidence in favor of vaccine therapy than 

 furunculosis. It was in this condition that 

 Wright first tried inoculations with staphylo- 

 coccus vaccine and in which he secured such 



