SARS-CoV-2(58) acute respiratory syndrome(54) coronavirus(48) facilitate(44) COVID-19(36) nucleic acid(35) SARS-CoV-2 RNA(33) Rapid(27) coronavirus disease(25) RNA(23) diagnostics(22) sensitivity(21) less(21) Patient(20) reverse transcription(20) specificity(20) point of care(20) detect(18) Infection(18) Saliva(18) virus(17) widespread(17) DNA(16) quantitative PCR(15) point-of-care(15) pandemic(15) cleavage(15) assays(14) polymerase chain(13) diagnostic(13)