Regarding some biochemical parameters those groups of patients with moderate or severe symptoms showed significantly increased levels of D-dimer, ferritin, and CRP, which are typically described as biomarkers for COVID-19 severity (Gómez-Pastora et al., 2020; Rostami and Mansouritorghabeh, 2020; Zhou et al., 2020a). This evidence concerns the gene CRP and COVID-19.