,415); mild: 81% (36,160), severe: 14% (6,168), critical: 5% (2,087)  Cardiovascular disease: 10.5%, diabetes: 7.3%, chronic respiratory disease: 6.3%, hypertension: 6.0%, cancer: 5.6%  About a week  2.3% (1,023 of 44,672 confirmed cases), 14.8% aged >80 years (208 of 1,408), 8.0% aged 70–79 years (312 of 3,918) 49.0% in critical cases (1,023 of 2,087)  Next step: to help “buy time” for more diagnostic and therapeutic research before COVID‐19 becomes too widespread
Tian et al. (2020), China  Retrospective study/Beijing Emergency Medical Service  262/47.5/48.5% male  Real‐time RT‐PCR  Respiratory specimens  COVID‐19 infected patients/residents of Beijing: 92 (73.3%), patients had been to Wuhan: 50 (26.0%), close contact with confirmed cases: 116 (60.4%), no contact history: 21 (10.9%)  Spectrum of disease: sever: 46 (17.6%); common: 216; (82.4%); mild: 192 (73.3%); nonpneumonia: