1 82 TROPICAL MEDICINE AND HYGIENE 



not possible to give precise directions for its avoidance. 

 The proved inoculability of the ulcers suggests the import- 

 ance of measures to avoid direct contagion, these includ- 

 ing, besides personal cleanliness, the covering of the sores 

 with some antiseptic application. Until it, has been shown 

 that the water of places in which the disease prevails is 

 innocuous, it would be well to boil it before use, either for 

 drinking or washing. Similarly, the bites of insects and 

 contamination by flies are to be avoided. 



It is well not to allow dogs in the houses and to dis- 

 courage any close contact with these animals. 



