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What is Salmonella typhi?

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Quick Answer

Salmonella typhi is the species of bacteria that causes typhoid fever, describes the Centers for Disease Control and Prevention. Salmonella typhi is not usually found in industrialized regions, but it is fairly common in areas of Asia, Africa and South America.

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Full Answer

The symptoms of typhoid fever include a high fever, weakness, stomach pains and headache, according to the CDC. Treatment for the disease can be a tablet or an injection. There are also vaccinations that prevent the contraction of typhoid fever for a few years, and the CDC recommends that travelers receive these vaccinations at least a week or two before traveling to less industrialized parts of the world.

Salmonella typhi cannot live outside of a human host, explains the CDC. Transmission of the bacteria most often occurs when sharing food or drinks with someone carrying the disease. It can also be contracted by drinking water that has been contaminated with sewage.

Typhoid fever can be fatal if complications occur, states the CDC. Fatalities normally only occur if the strain is resistant to antibiotics. Even when the symptoms have stopped, the disease could still be transmitted to others. Doctors can test stool samples to determine if the bacteria are still present.

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