umonia: 11 (4.2%); asymptomatic:13 (5.0%) Fever (82.1%), cough (45.8%), fatigue (26.3%), dyspnea (6.9%), headache (6.5%)/pulmonary infection, chronic cardiovascular disease and heart failure: 1, pulmonary infection and multiple chronic diseases: 1 Incubation: 6.7 days, illness onset to visit hospital: 4.5 days 3 (0.9%) Results: As of February 10, 45 (17.2%) patients have discharged For COVID‐19 control: first step is prevent transmission at early stage, next steps is early isolation and quarantine of suspected subjects Wang et al. (2020), China Retrospective cohort/Xi'an Jiaotong University First Affiliated Hospital, Nanchang University First