1. Beijing Center for Disease Prevention and Control (2020). COVID-19 Pandemic Prevention Guidelines for Office Place. Beijing: Beijing Center for Disease Prevention and Control (in Chinese)
2. Beijing Center for Disease Prevention and Control (2022). COVID-19 Pandemic Prevention Guidelines for Personnel in High, Medium and Low Risk Areas. Beijing: Beijing Center for Disease Prevention and Control (in Chinese)
3. Beijing Municipal Commerce Bureau (2022). COVID-19 Pandemic Prevention Guidelines for Commodity Trading Markets. Beijing: Beijing Center for Disease Prevention and Control (in Chinese)
4. Beijing Municipal Health Commission (2021). 2020–2035 Special Plan for Medical and Health Facilities. Beijing. Beijing Municipal Health Commission (in Chinese)
5. Bian Q J T M, Medicine M (2020). A comparison of epidemic prevention of COVID-19 between China and the US. Traditional Medicine and Modern Medicine, 3(1): 11–26