Multidrug-resistant Isolate SE690: Mosaic Gene Causing Ceftriaxone Resistance Internationally Has Spread to the More Antimicrobial-susceptible Genomic Lineage, Sweden, September 2022
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We report a ceftriaxone-resistant, multidrug-resistant urogenital in a female sex worker in Sweden, September 2022, who was treated with ceftriaxone 1 g, but did not return for test-of-cure. Whole genome sequencing of isolate SE690 identified MLST ST8130, NG-STAR CC1885 (new NG-STAR ST4859) and mosaic . The latter, causing ceftriaxone resistance in the internationally spreading FC428 clone, has now also spread to the more antimicrobial-susceptible genomic lineage B, showing that strains across the gonococcal phylogeny can develop ceftriaxone resistance.
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