Extended-spectrum β-lactamase-producing Escherichia coli (ESBL-E. coli) is a major antimicrobial resistance concern globally, with ready transmission between people, animals, and the environment. Understanding transmission patterns among reservoirs can help inform risks and inform intervention strategies. To date, surveillance is heavily reliant on aggregation of clinical data, resulting in limited insights on ESBL-E. coli circulation in the population. Wastewater-based surveillance has emerged as a powerful tool to understand epidemiology of antimicrobial resistance circulating in communities, thereby complementing clinical surveillance approaches. Here, we demonstrate integrated surveillance of ESBL-E. coli isolates across sectors using whole genome sequencing, providing an opportunity to understand exchange of bacterial isolates between clinics, communities, livestock, and wildlife.
Conforti et al. (Mon,) studied this question.
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