COVID-19(638) coronavirus disease(282) pandemic(212) coronavirus(182) SARS-CoV-2(172) Patient(116) outbreak(116) acute respiratory syndrome(115) country(105) public health(102) Health(94) Spread(94) Pandemics(88) hospital(87) measure(81) COVID-19 pandemic(79) Infection(79) China(78) disease(74) information(66) management(62) Treatment(60) conducted(59) reported(59) death(58) risk(56) Transmission(54) Epidemic(53) Care(53) virus(51)