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;

Impact of nirsevimab immunization on RSV infections attended in the pediatric emergency department: First results in a tertiary hospital in Madrid Miguel Ángel Molina Gutiérrez; Begoña de Miguel Lavisier; José Antonio Ruiz Domínguez; María García de Oteyza; Virginia María Velasco Molina; Almudena Gutiérrez Arroyo; María de Ceano-Vivas;

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;