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Abstract

Since April 2024, a pertussis epidemic has been ongoing in Finland with 2,215 notified cases by end October. Of them, 30.1% (n = 667) were aged 10–14 years. Of the 462 isolates characterised, one was macrolide-resistant (minimum inhibitory concentration (MIC) of erythromycin, azithromycin and clarithromycin > 256 μg/mL). The resistant isolate was serotype FIM2, vaccine antigen pertactin-deficient and harboured allele. The emergence of macrolide-resistant in Europe is worrisome and its rapid identification is important.

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/content/10.2807/1560-7917.ES.2024.29.49.2400765
2024-12-05
2025-02-05
/content/10.2807/1560-7917.ES.2024.29.49.2400765
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