COVID-19(14) SARS-CoV-2(14) Vaccine(8) caused(8) antibody(8) coronavirus(7) public health(7) Vaccine design(7) pandemic(7) variant(5) Variant.(5) approach(5) Against(5) therapy(5) SARS-CoV-2 mutations(5) Tunnel(5) creating(5) spike(5) Strategy(5) virus pathogenesis(5) less(5) novel(5) highlight(5) virus variant(5) variants(5) variants of SARS-CoV-2(5) impacted(5) Infectious diseases(4) mammalian(3) shown(3)