what is the cause of typhoid fever
Typhoid fever is a type of enteric fever along with paratyphoid fever. The cause is the bacterium Salmonella typhi, also known as Salmonella enterica serotype typhi, growing in the intestines and blood. Typhoid is spread by eating or drinking food or water contaminated with the feces of an infected person. Risk factors include poor sanitation and poor hygiene. Those who travel to the developing world are also at risk. Humans are the only animal infected.