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A post-COVID-19 upsurge in Group A Streptococcus in the Czech Republic was driven by emm1 and emm12 with shared virulence factors

3 Jul 2025

Abstract excerpt

BACKGROUND: In 2023, a significant increase in Streptococcus pyogenes, Group A Streptococcus (GAS) culture positivity was observed in Czech microbiological laboratories. We conducted a multicentre study to obtain epidemiological data and characterise circulating strains. METHODS: Eleven microbiology departments provided data on single-patient GAS-positive cultures from 2017 to 2023. Additionally, 10 consecutive,...

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PMID: 40639296
DOI: 10.1016/j.jiph.2025.102886

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