SARS-CoV-2(12) COVID-19(10) coronavirus(10) Treatment(6) Vaccine(5) Result(5) acute respiratory syndrome(4) SARS-COV-2 infection(4) disease(4) virus(4) Symptom(4) Spread(4) caused(4) patients(3) effective(3) death(3) Evidence(3) drug(3) pathway(3) Patient(3) viral infection(3) detection(3) addition(3) Fever(3) association(3) Infection(3) RT-PCR(3) nasopharyngeal(3) detect(3) System(3)