Fluoroquinolone resistance-associated determinants in ciprofloxacin-susceptible Shigella isolates from Senegal

Introduction

Fluoroquinolones remain important therapeutic options for shigellosis, but the accumulation of chromosomal and plasmid-mediated resistance determinants threatens their continued effectiveness. Genomic data on fluoroquinolone resistance-associated determinants in Shigella from West Africa remain limited. Here, we investigated the epidemiological, phenotypic, and genomic characteristics of clinical Shigella isolates recovered through Senegal's national sentinel surveillance system between 2020 and 2021, with particular emphasis on fluoroquinolone resistance-associated genomic determinants.