Infectious spondylodiscitis by Serratia marcescens: A diagnostic challenge Iris Sharon Pérez Ramos; Itziar Angulo López; Cristina Aspichueta Vivanco; José Luis Díaz de Tuesta del Arco;

Coinfection and superinfection in SARS-CoV-2 pneumonia. Two underestimated threats. The need of empirical treatment under debate Rafael Zaragoza Crespo; Héctor Hernández-Garcés;

Bacterial/fungal infection in hospitalized patients with COVID-19 in a tertiary hospital in the Community of Castilla y León, Spain Teresa Nebreda-Mayoral; María Antonia Miguel-Gómez; Gabriel Alberto March-Rosselló; Lucía Puente-Fuertes; Elena Cantón-Benito; Ana María Martínez-García; Ana Belén Muñoz-Martín; Antonio Orduña-Domingo;