COVID-19(21) SARS-CoV-2(14) variant(13) Protein(12) acute respiratory syndrome(12) coronavirus(10) Severe acute respiratory syndrome(10) pandemic(10) virus(10) IMPROVE(9) cytokine(8) Infection(8) Compound(8) respiratory(8) Spike protein(8) Potential(8) coronavirus disease(8) SARS CoV-2(8) compounds(8) Mutation(7) expected(6) peptides(6) Venom(6) severe acute respiratory syndrome-coronavirus-2(6) Proteins(6) Snake venoms.(6) Snake venom(6) Antiviral(6) Nature(6) genetic differences(6)