PRO/EDR> Typhoid fever – USA: nonimported XDR Salmonella Typhi infections, 2019-20, alert

Typhoid — United States
Summary
The Centers for Disease Control and Prevention (CDC) is providing
1. information on extensively drug-resistant (XDR) _Salmonella_ Typhi (Typhi) infections among US residents without international travel, and
2. treatment recommendations for XDR Typhi infection.
Background
Typhoid fever is a systemic illness caused by the bacterium _Salmonella enterica_ serotype Typhi (Typhi). Most people in the US diagnosed with typhoid fever acquired it during international travel, but some