In a retrospective, multicenter cohort study by Zhou et al. [22] including 191 COVID-19 patients from Jinyintan Hospital and Wuhan Pulmonary Hospital, Wuhan, China, 24 patients (17%), out of 145 cases with troponin determinations, showed increased serum levels of cTn I (>28 ng/mL) [22]. This evidence concerns the gene TNNI3 and COVID-19.