Serogroup C invasive meningococcal disease in the post-vaccine era and vaccine failures Neus Rius; Mayli Lung; Carolina Fernández-San José; Tamara Iglesias; Juliana Esperalba; Fernado A. Moraga-Llop; Pere Soler-Palacín;

Increasing trend in patients with life-limiting and complex chronic conditions Javier Ochoa-Brezmes; Pablo del Villar Guerra; Jesús Andrés de Llano; Jesús Manuel Marugán de Miguelsanz;

Main changes in the ¿COVID-19 in paediatrics¿ clinical practice guideline Javier González de Dios; Victoria Martínez Rubio; Álvaro Giménez Díaz de Atauri; Carlos Ochoa Sangrador; Enrique Rodríguez-Salinas Pérez; Sergio Flores Villar; Jaime Javier Cuervo Valdés;