veral aspects (antiviral treatment, corticosteroids, anakinra, and anticoagulation for high risk of thrombosis or critical situation). Rigorous randomized clinical trials on the proposed treatments are needed to provide consistent evidence.

1. Introduction
The global pandemic of the novel coronavirus disease 2019 (COVID-19) caused by a newly emergent severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) was firstly recognized in Wuhan (China) in December 2019. It quickly became a global pandemic, spreading worldwide [1]. Spain is on