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

Marek Štefan; Suhanya Prasad; Ivana Vítková; Elka Nyčová; Lenka Ryšková; Pavla Kučová; Lenka Geigerová; Denisa Vesela; Magda Balejová; Natasa Bartonikova; Lenka Havlinova; Erika Czyzova; Jan Kubele; Barbora Dratvova; Milena Antušková; Jaroslava Zikova; Marie Brajerova; Otakar Nyč; Milan Trojánek; Pavel Dřevı́nek; Marcela Krůtová

doi:10.1016/j.jiph.2025.102886

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Abstract

An upsurge in GAS infections, predominantly caused by emm1 and emm12, was identified in the Czech Republic. The combination of shared virulence factors, altered herd immunity and naïve immunity in children, resulting from contact precautions measures during the COVID-19 pandemic, may have contributed to their increased spread.

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Štefan et al. (2025) studied this question.

synapsesocial.com/papers/69dff4deb28b234044e9bf81 https://doi.org/10.1016/j.jiph.2025.102886

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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

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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

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Abstract

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