T prolongation. This is based on its activity in vitro against SARS-CoV-2 (although weak) and on the availability of low-level clinical evidence of anticipation of virus clearance from a small controlled, nonrandomized study. However, it should also be kept in mind that the study was highly susceptible to bias and there are still no data regarding hard clinical endpoints such as crude mortality. For these reasons, hydroxychloroquine should be preferentially adm