COVID-19(35) SARS-CoV-2(30) Patient(28) Result(23) acute respiratory syndrome(23) polymerase chain(19) positive(19) antibody(18) performed(18) coronavirus(18) detect(18) sensitivity(16) respiratory(15) collected(14) Blood(12) the SARS-CoV-2(12) Accuracy(11) diagnostic(11) Antibody detection(11) Vaccine(11) Antibody test(11) troponin(10) COVID-19 infection(10) Diagnosis(9) IgM(9) social distancing(9) global pandemic(9) specificity(9) threshold(9) IgG(9)