LYCOS RETRIEVER 
Typhoid: Travel
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Typhoid is prevalent in many countries of Africa, Asia, and Central and South America. The vaccine is only recommended for travelers to areas where there is a recognized risk of exposure to Salmonella typhi.
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Typhoid is present in South America, Africa and areas of Asia, with undeveloped areas being of a higher risk. Cases can potentially occur throughout the world due to the mode of transmission and speed of travel. Natural disaster and imported cases allow for sporadic cases in parts of the world that would be considered low risk areas.
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Typhoid can be prevented by a vaccine, which is recommended for individuals planning to travel outside the United States. Although the typhoid vaccine is effective, it cannot prevent 100% of typhoid infections.
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