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— Map from the CDC

Reported cases of Salmonella Typhi, which causes typhoid fever, most recently mapped by the CDC in 2020, are rare in the United States. That year, with 157 cases reported nationwide, California had the most cases, at 46, followed by New York at 20, and Texas at 11. Almost all of the cases come from foreign travel. The true number is likely much higher, the CDC says, estimating 5,700 illnesses annually.