What Is Typhoid Fever?
8. Typhoid Fever Prevalence
In the U.S., roughly 350 people per year are diagnosed with typhoid fever. This number is potentially much higher, as it only reflects the cases that are reported to the CDC. Individuals who do not seek treatment or who are treated out of the country are not likely to be reported. The disease is rarely contracted within the United States. Most citizens get it when traveling to an area where it is prevalent.
Countries that are lacking in adequate sanitation systems and procedures are more likely to see high levels of Salmonella Typhi in their sewage and, subsequently, in their citizens. In particular, India, Pakistan, Bangladesh and South Asia are regions of high concern. Travelers in these areas should take precautions. The illness is less prevalent in East Asia, Central and South America, the Caribbean and Africa.
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