Sero-epidemiological study of SARS-CoV-2 infection among healthcare personnel in a healthcare department Paula Gras-Valentí; Pablo Chico-Sánchez; Natividad Algado-Sellés; María Adelina Gimeno-Gascón; Juan Gabriel Mora-Muriel; Natali Juliet Jiménez-Sepúlveda; Isel Lilibeth Gómez-Sotero; Inés Montiel-Higuero; José Sánchez-Payá; Juan Carlos Rodríguez-Díaz;

Epidemiological and clinical management aspects of pneumonias diagnosed in the emergency department in elderly patients in Spain: Results of the EDEN-29 study Sandra Cuerpo; Sira Aguiló; María Florencia Poblete-Palacios; Guillermo Burillo-Putze; Aitor Alquézar-Arbé; Javier Jacob; Cesáreo Fernández; Pere Llorens; Francisco Javier Montero-Pérez; Cristina Iglesias-Frax; Eva Quero-Motto; Carmen Escudero-Sánchez; Eduard Anton Poch-Ferrer; Jeong-Uh Hong-Cho; Beatriz Casado-Ramón; Sara Gayoso-Martín; Goretti Sánchez-Sindín; María Esther Fernández-Álvarez; Margarita Puiggali-Ballard; Olga Trejo; Lluís Llauger; Lucía Garrido-Acosta; Sara Calle-Fernández; Laura Molina; María Martínez-Juan; Gema Gómez-García; Pedro Rivas Del Valle; María Luisa López-Grima; Pere Rull-Bertrán; Juan González del Castillo; Òscar Miró;

Impact and characteristics of hospital-acquired influenza over 10 seasons in a third-level university hospital Alberto Mangas-Moro; Ester Zamarrón-de-Lucas; Carlos Javier Carpio-Segura; Rodolfo Álvarez-Sala-Walther; José Ramón Arribas-López; Concepción Prados-Sánchez;