The plethora of symptoms common to COVID-19 patients are endorsed by several laboratory abnormalities, such as lymphopenia, augmented values for lactate dehydrogenase and inflammatory markers: C-reactive protein, D-dimer, ferritin, and IL-6 (interleukin-6—marker for severe pathology and procoagulant profile) [39]. This evidence concerns the gene IL6 and lymphopenia.