Diagnostic criteria: 1. Epidemiological history: travel/residence history in Wuhan or history of exposure to fevered patients from Wuhan with respiratory symptoms during the 14 days before the onset of illness; 2. Clinical manifestations:
fever, imaging characteristics of pneumonia, and/or normal or decreased white blood cells count or decreased lymphocyte count; and 3. Laboratory diagnosis: real-time fluorescence polymerase chain reaction revealing positive results from COVID-19 for samples collected from the throat and lower respiratory tract. The patients with confirmed COVID-19 pneumonia were hospitalized and isolated for treatment.
Discharge criteria: 1. Afebrile for more than 3 days; 2. Significant improvement in respiratory symptoms; 3. Improvement in the radiological abnormalities in the chest, detected on radiography or CT; and 4. Two consecutive negative results for the COVID-19 nucleic acid detection test conducted at least 24 h apart.
References
[1] Chinese National Health Committee. (2020) Diagnosis and treatment of
COVID-19 pneumonia. (trial seventh edition)
http://www.nhc.gov.cn/yzygj/s7653p/202003/46c9294a7dfe4cef80dc7f5912eb 1989.shtml. Accessed 3 Mar 2020
Eur Radiol (2021) Zhang D, Zhang C, Li X et al