COVID-19(589) COVID-19 pandemic(193) SARS-CoV-2(193) pandemic(172) country(147) Patient(143) Health(141) reported(139) disease(94) risk(87) age(84) Infection(80) measure(79) Community(77) Treatment(75) conducted(75) Spread(74) outbreak(74) Transmission(73) coronavirus(70) public health(68) coronavirus disease(68) Analysis(68) highlight(65) management(65) virus(65) individual(64) outcome(64) positive(62) acute respiratory syndrome(61)