Coronavirus disease of 2019 (COVID-19) is a viral infection caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2).1, 2, 3, 4Because of its highly contagious nature and global spread, it was declared a pandemic by WHO since early March 2020.5SARS-CoV-2 comprises of positive-sense single-stranded RNA genome harboring a surface glycoprotein known as spike protein, or S proteins. The gene discussed is PROS1; the disease is COVID-19.