Currently the entire human population is in midst of a global pandemic caused by SARS-CoV-2 (Severe Acute Respiratory Syndrome CoronaVirus 2). This highly pathogenic virus has to date >71 million infections and >1.6 deaths >180 countries. Several vaccines drugs are being studied as possible treatments or prophylactics this viral infection. M3CLpro (coronavirus main cysteine protease) promising ...