STAPHYLOCOCCUS INFECTIONS 113 



presents no great obstacle in controlling infection. 

 The main point to bear in mind, in guarding against 

 the spread of these infections, is the high resistance of the 

 organism, especially in pus, and this indicates careful 

 attention on the nurse's part, chiefly to the steriUzation 

 of instruments, hypodermic needles, and the like. 



In recent years considerable success has attended the 

 treatment of abscesses, boils, and other localized staphy- 

 lococcus infections by means of bacterial vaccines. 

 The doses ordinarily employed are from 300,000,000 to 

 500,000,000 dead staphylococci suspended in salt 

 solution. The injections are given at intervals of about 

 five or six days. 



8 



