Typhoid fever pathophysiology

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Pathophysiology

Flying insects feeding on feces may occasionally transfer the bacteria through poor hygiene habits and public sanitation conditions. Public education campaigns encouraging people to wash their hands after toileting and before handling food are an important component in controlling spread of the disease. According to statistics from the United States Centers for Disease Control, the chlorination of drinking water has led to dramatic decreases in the transmission of typhoid fever in the U.S..

A person may become an asymptomatic carrier of typhoid fever, suffering no symptoms, but capable of infecting others. According to the Centers for Disease Control approximately 5% of people who contract typhoid continue to carry the disease after they recover.