SARS-CoV-2(76) COVID-19(75) coronavirus(67) acute respiratory syndrome(37) coronavirus disease(28) acute respiratory syndrome coronavirus(27) severe acute respiratory syndrome Coronavirus(26) Coronavirus disease 2019(22) acute respiratory syndrome coronavirus 2(20) respiratory(19) IgG(16) Chain Reaction(16) polymerase chain reaction(16) pandemic(15) serology(14) Patient(14) antibody(13) collected(13) RT-PCR(13) detect(12) Roche(12) sensitivity(12) Infection(12) Testing(11) Surveillance(11) median(11) SARS-COV-2 infection(11) Autopsy(11) Test(11) performance(10)