To date, several clinical and biochemical parameters have been used to predict the severity of COVID-19, including the following: C-reactive protein (CRP), serum amyloid A (SAA), interleukin (IL)-6, lactate dehydrogenase (LDH), white blood cell count, d-dimer, cardiac troponin and platelet count3,5. The gene discussed is IL6; the disease is COVID-19.