Value of abdominal ultrasound for evaluation of acute infectious ileitis in children Miguel Ángel Molina Gutiérrez; Ana Pérez Vigara; Eva Martínez-Ojinaga Nodal; Marta Bueno Barriocanal; Rosario López López;

Impact of COVID-19 on the presentation and course of acute appendicitis in paediatrics Leire Bonilla; Carmen Gálvez; Lara Medrano; Javier Benito;

Clinical spectrum and risk factors for complicated disease course in children admitted with SARS-CoV-2 infection Pilar Storch-de-Gracia; Inés Leoz-Gordillo; David Andina; Patricia Flores; Enrique Villalobos; Silvia Escalada-Pellitero; Raquel Jiménez;