COVID-19 admissions: Trying to define the real impact of infection in hospitalized patients Claudia Solito; María Hernández-García; Noelia Arguedas Casamayor; Alba Pavón Ortiz; Rosa Pino; Laia Alsina; Mariona F. de Sevilla;

Coinfections of influenza and other respiratory viruses are associated to children Ivan Sanz; Diana Perez; Silvia Rojo; Marta Domínguez-Gil; Raúl Ortiz de Lejarazu; José María Eiros;

Consumption of ultra-processed products and wheezing respiratory diseases in children: The SENDO project Laura Moreno-Galarraga; Iratxe Martín-Álvarez; Alejandro Fernández-Montero; Bárbara Santos Rocha; Edurne Ciriza Barea; Nerea Martín-Calvo;