Continued Increase of Erythromycin Nonsusceptibility and Clindamycin Nonsusceptibility Among Invasive Group A Streptococci Driven by Genomic Clusters, United States, 2018–2019
Yuan Li, Joy Rivers, Saundra Mathis, Zhongya Li, Lesley McGee, Sopio Chochua, Benjamin J. Metcalf, Katherine E. Fleming-Dutra, Srinivas Nanduri, Bernard Beall
Abstract
We analyzed 9630 invasive GAS surveillance isolates in the USA. From 2015-2017 to 2018-2019, significant increases in erythromycin-nonsusceptibility (18% vs 25%) and clindamycin-nonsusceptibility (17% vs 24%) occurred, driven by rapid expansions of genomic subclones. Prevention and control of clustered infections appear key to containing antimicrobial resistance.
Topics & Concepts
ClindamycinErythromycinMedicineMicrobiologyAntibiotic resistanceAntimicrobialAntibioticsBiologyStreptococcal Infections and TreatmentsAntimicrobial Resistance in StaphylococcusBacterial Identification and Susceptibility Testing