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Are daily protective masks (disposable protective masks) virus resistant or not?
What are the standards for testing mask antivirus? (1) Particle filtration efficiency To understand whether to prevent viruses, the first step is to understand ...
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Jul 20,2023
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Jul 20,2023
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...
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Jul 20,2023
The State Council's Joint Prevention and Control Mechanism Issued the Latest Guidelines for Wearing Masks
All provinces, autonomous regions, municipalities directly under the Central Government and the Xinjiang Production and Construction Corps joint prevention and ...
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Jul 20,2023
Epidemic prevention and popularization | Adhere to wearing masks and taking good personal protection measures
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...
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