Situation or scenario where a mask should be worn
1. During the period when novel coronavirus antigen or Nucleic acid test is positive. 2. During the period of fever, sore throat, cough, runny nose, muscle ache...
Jul 20,2023
1. During the period when novel coronavirus antigen or Nucleic acid test is positive. 2. During the period of fever, sore throat, cough, runny nose, muscle ache...
Jul 20,2023
All provinces, autonomous regions, municipalities directly under the Central Government and the Xinjiang Production and Construction Corps joint prevention and ...
Jul 20,2023
How to wear a mask correctly Patients with underlying respiratory diseases should use protective masks under the guidance of a doctor. Cotton gauze masks, spong...