Impact of vaccinating pregnant women against pertussis on hospitalizations of children under one year of age in a tertiary hospital in Catalonia Irene Ruiz-Botia; M. Teresa Riera-Bosch; Olalla Rodríguez-Losada; Pere Soler-Palacín; Susana Melendo; Fernando Moraga-Llop; Joan Balcells-Ramírez; Susana Otero-Romero; Lluís Armadans-Gil;

Epidemiology, prevention and control of pertussis in Spain: New vaccination strategies for lifelong protection Juan José González-López; Javier Álvarez Aldeán; Francisco José Álvarez García; Magda Campins; María Garcés-Sánchez; Ruth Gil-Prieto; Ana Mª Grande-Tejada;

Acute bronchiolitis during the COVID-19 pandemic Patricia Flores-Pérez; Nathalia Gerig; Mª Isabel Cabrera-López; José L. de Unzueta-Roch; Teresa del Rosal; Cristina Calvo;