摘要
To further improve the diagnosis and treatment of COVID-19,China National Health Commission and the National Administration of Traditional Chinese Medicine convened a group of experts to revise the relevant content of the Diagnosis and Treatment Protocol for COVID-19 Patients(Trial Version 8)and developed the Diagnosis and Treatment Protocol for COVID-19 Patients(Trial Version 9),summarizing the etiological characteristics,epidemiological characteristics,pathological changes,clinical features,diagnosis,clinical classification,population with high risk of severe/critical illnesses,early warning predictors for severe/critical illnesses,differential diagnosis,case identification and reporting,treatment,nursing,discharge criteria and precautions after discharge,patient transfer,control of nosocomial infection in medical institutions,and disease prevention.