TNNI3 and COVID-19: Shi et al. (31) have shown that higher cTnI predicted in-hospital death in severe patients with COVID-19 [hazard ratio (HR) 4.26] and the author also reported that the predictive value of myocardial injury ranged during the time from symptom onset (HR, 4.26) and from admission to endpoint (HR 3.41) (32).