COVID-19(7) SARS-CoV-2(7) Spike protein(5) Nsps(3) drug candidate(3) standstill(3) pathophysiological(3) Mutation(3) drugs(3) binding(3) Molecular docking study(3) subpopulation(3) involved(3) pandemic(3) TMPRSS2(3) India(3) variants(3) SARS-CoV-2 genome(3) ACE2 binding(3) molecular docking studies(3) greater(3) the SARS-CoV-2 genome(3) spike(3) drug(3) Protein(3) Combination(3) P323L(3) A97V(3) investigated(3) Nsp12(3)