Retrospective study of acute mastoiditis in children in Spain attended in a Pediatric Emergency department Paula García-Sánchez; Belén Parra Rodríguez; Rosario López López; Miguel Ángel Molina Gutiérrez; Marta Bueno Barriocanal; María de Ceano-Vivas la Calle;

Streptococcus pyogenes infections in Spanish children before and after the COVID pandemic. Coming back to the previous incidence María de Ceano-Vivas; Miguel Ángel Molina Gutiérrez; Isabel Mellado-Sola; Paula García Sánchez; David Grandioso; Cristina Calvo;

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;