SARS-CoV-2(423) coronavirus(358) acute respiratory syndrome(356) Science(285) COVID-19(245) virus(235) Infection(199) acute respiratory syndrome coronavirus(181) severe acute respiratory syndrome Coronavirus(181) acute respiratory syndrome coronavirus 2(167) respiratory(161) antibody(159) pandemic(134) variant(127) Transmission(122) coronavirus disease(122) the SARS-CoV-2(118) SARS-COV-2 infection(114) caused(110) Spread(106) Spike protein(103) Vaccine(100) binding(100) Analysis(93) individual(89) Protein(86) reduced(85) Viral(82) Critical(77) RBD(75)