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Epidemiological changes in invasive Streptococcus pyogenes infection during the UK alert period: A molecular comparative analysis from a tertiary Spanish hospital in 2023 Alfredo Maldonado-Barrueco; Iván Bloise; Emilio Cendejas-Bueno; Francisco López-Rodrigo; Julio García-Rodríguez; Fernando Lázaro-Perona;