TYPHOID FEVER. 



341 



access by the mouth to a fresh host, and by its development in the 

 intestine, and by the absorption of its toxic products, produces the 

 phenomena which we recognise as typhoid fever. 



It 



' -> , 





FIG. 129. TYPHOID FEVER. ILEUM OP ADULT, SHOWING SLOUGHY AND 

 INFILTRATED PATCHES (HAMILTON). 



Typhoid fever is also disseminated by milk ; sewage- contaminated 

 water having been added to the milk, or used for washing the milk 

 cans and other vessels. 



