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. 



Fig. 129.— Typhoid Fbvbe. Ileum op Adult, showing Sloughy and 

 Inpiltratbd 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. 



