IL6 and COVID-19: Recently, Centa et al. (2021) reported a significant association in the experimental expression analysis of two miRNAs, miR-26a-5p and miR-29b-3p, with the expression levels of inflammatory markers, such as IL-4, IL-6 and IL-8, in post-mortem lung cells of COVID-19 patients (Centa et al., 2021).