Indeed, thromboembolism was determined in systematic post-mortem examinations of COVID-19 patients (Wichmann et al., 2020); therefore, treatment of the pathogenesis of COVID-19 with low-molecular-weight heparin is recommended, which also reduces IL-6 (Perna et al., 2020; Thachil, 2020). This evidence concerns the gene IL6 and COVID-19.