TUBERCULIN TREATMENT IN TUBERCULOSIS. 



index" as the best mode for determining the 

 proper dosage. Others say the "opsonic index" 

 is not valuable in this treatment. 



STAPHYLO-BACTERIN . 



(Staphylococcic Vaccine.) 



Bacterins are suspensions, or emulsions of 

 killed bacteria intended for therapeutic use. 



Staphylo-bacterin is a suspension of killed 

 staphylococci in normal saline solution, pre- 

 served with J^ % phenol. 



The bacteria are killed by heat at a tem- 

 perature of 60° C. 



Bacterins are only of value in infections Necessity for 

 caused by the same species and for this reason ciagnorfs 

 it is absolutely necessary that accurate diagno- 

 sis be made before beginning bacterin treat- 

 ment. 



(i.) Diagnosis is made by examining the 

 pus or other discharge under the microscope. 



(2.) By preparing cultures from the pus 

 or discharge. 



(3.) By clinical phenomena. 

 In some cases a mixed infection is discovered, 

 when a vaccine of mixed bacterins is used. One 

 mixed bacterin, is that consisting of mixed Mixed 

 acne and staphlobacterin ; another is the 

 staphylo-bacterin associated with tuberculin. 

 Still another is composed of staphylococcus 

 albuS, attfetls and citreiis. Difficulty in diagtlos- 

 191 



