department of Anesthesiolog;
Haikou People's Hospital;
Affiliated Haikou Hospital of Xiangya School of Medicine;
Central South University;
Haikou 570208;
China;
Department of Anesthesiology;
Peking Union Medical College Hospital;
Chinese Academy of Medical Sciences&Peking Union Medical College;
Beijing 100730;
China;
Department of Anesthesiology;
Hainan Provincial Corps Hospital of Chinese People's Armed Police Force;
Haikou 570203;
China;
Department of Anesthesiology;
Guangdong Provincial People's Hospital;
Guangdong Academy of Medical Sciences;
Guangzhou 510080;
China;
COVID-19; SARS-CoV-2; infection control precaution; perioperative management; anesthesia machine; disinfection;