up to date! The scientific guidelines for wearing masks are here. In these cases, you can not wear masks...

Guidelines for government agencies, enterprises, institutions and the public to wear masks scientifically

In order to guide government agencies, enterprises, institutions and the public to wear masks scientifically to protect public health, in accordance with the State Council’s Joint Prevention and Control Mechanism for the New Coronavirus Pneumonia Epidemic "Notice on Printing and Distributing Guidelines for the Public to Wear Masks Scientifically" (issued by the Joint Prevention and Joint Control Mechanism [2020] 33 No.) in the spirit of this guideline.

1. Situations where there is no need to wear a mask

Office, home, outdoor (community, park, green space, square, fitness trail, etc.), a well-ventilated place without people gathering;

Government agencies, enterprises and institutions hold a meeting. Participants check that the "health code" is a green code, and the temperature measurement is normal. The seats in the venue should be kept at a certain distance and well ventilated as much as possible (the central air conditioner is not turned on in the current season);

Personnel in the workplace of government agencies, enterprises and institutions (special occupational protection requirements such as dust prevention, food hygiene, etc. shall be implemented in accordance with relevant regulations) check that the "health code" is green and the temperature measurement is normal.

2. Situations that need to wear a mask

People with respiratory symptoms such as fever, coughing, sneezing, etc.;

Medical treatment, escort and visiting personnel of medical institutions;

Taking subways, buses, airplanes, trains and other public transportation means, van elevators, the people in the carriages (cars) are relatively dense (referring to the distance of more than 1 meter can not be guaranteed);

Bus stations, railway stations, subway stations, airports, public transportation, restaurants, as well as express delivery, food delivery employees and community, unit import and export staff and other places;

All personnel entering nursing homes, welfare homes, mental health care institutions, and training institutions;

Those who live with home isolation and discharged recovered patients;

People returning from abroad (from the beginning of entry to the end of quarantine) and their close contacts;

Staff in exhibition venues, shopping centers, large shopping malls, supermarkets, theaters and other entertainment and fitness venues, museums, libraries, art galleries and other places. If the "health code" of other personnel entering the above places is green and the temperature measurement is normal, they may wear masks as appropriate;

The wearing and protection of masks for persons with occupational exposure risks (medical personnel, isolation points and port staff, etc.) shall be implemented in accordance with relevant regulations.

Three, matters needing attention

Wash your hands before wearing the mask and after removing it. Pay attention to the front and back and up and down when wearing. The mask should cover the mouth and nose and adjust the nose clip to fit the face.

One-time use masks should be used only once, and the cumulative use time should not exceed 8 hours. It is not recommended to reuse the mask for a long time after cleaning and disinfection.

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