Investigation of an ongoing outbreak of ceftriaxone-resistantSalmonella entericaserovar Typhi in Bangladesh
Abstract
We report an outbreak of ceftriaxone-resistantSalmonellaTyphi in Bangladesh, with 47 cases identified from April-September 2024. Isolates belong to genotype 4.3.1.2 and harbor theblaCTX- M-15gene on the pCROB1 plasmid. This unique genotype-plasmid lineage represents a recent introduction, necessitating enhanced surveillance, antimicrobial stewardship, and consideration of vaccination strategies.
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