Health Indicators in Hospitalized Patients With SARS-CoV-2 Pneumonia: A Comparison Between the First and Second Wave Nuria Rodríguez-Núñez; Francisco Gude; Adriana Lama; Carlos Rábade; Alfonso Varela; Romina Abelleira; Ana Casal; Vanessa Riveiro; Manuel Taboada; Antonio Pose; Luis Valdés;

Posibilidad de sesgo en estudio retrospectivo de ivermectina para COVID-19 Giovanni Meneses; Eduardo Ortega-Guillén;

Pre-hospital Aspirin Use and Patient Outcomes in COVID-19: Results from the International Viral Infection and Respiratory Illness Universal Study (VIRUS) Amos Lal; Juan Pablo Domecq Garces; Vikas Bansal; Aysun Tekin; Simon Zec; Ashish K. Khanna; Matthew A. Warner; Amy B. Christie; Rodrigo Cartin-Ceba; Valerie M. Banner-Goodspeed; Donna Lee Armaignac; Sreekanth R. Cheruku; Umamaheswara Raju; Yasir Tarabichi; Joshua L. Denson; Vishakha Kumar; Allan Walkey; Karen Boman; Neha Deo; Rahul Kashyap; Ognjen Gajic;