More than 5 million infections have been reported so far.1-3 According to research, COVID-19 has a lower death rate than MERS and SARS, however the rate statistics are diverse in different countries.4 COVID-19 is transmitted through airways and enters body cells by penetrating the angiotensin-converting enzyme 2 (ACE2) in the lungs.5 Here, ACE2 is linked to COVID-19.