These guidelines are only applicable to the daily work and life of the public during the novel coronavirus epidemic.
I. Classification of masks and the standard basis
1. Name: single-use medical masks
Standard basis: "Single-use medical masks" YY/T0969-2013
2. Name: medical surgical masks
Standard basis: "Medical Surgical Masks" YY0469-2011
3. >3、Name: Medical protective masks
Standard basis: "Medical protective masks Technical Requirements" GB19083-2010
4、Name: Self-priming Filtering Anti Particulate Matter Respirator
Standard basis: "Respiratory protective equipment self-priming filtering anti particulate matter respirators" GB2626-2006; "Respiratory protection products selection, use and Maintenance" GB/T18664-2002.
II. Scope of application of masks
1. Single-use medical masks
Applicable to be worn in a general medical environment, blocking the oral and nasal exhalation or spraying of pollutants.
2, medical surgical mask
Suitable for clinical staff to wear during invasive operations.
3, medical protective mask
Suitable for medical work environment, filtering airborne particles, blocking droplets, blood, body fluids, secretions, etc..
4, self-priming filtering anti-particulate respirator
Applicable to prevent all kinds of particles, including dust, smoke, fog and microorganisms.
Three, wearing a mask scene guidelines
1, outdoor environment
In principle, the construction site, field trips and other outdoor environment work or activities, in principle, can not wear a mask. However, the following people are excluded: people attending concerts, large events and other gatherings, people who may be in close contact with others in outdoor public **** places such as commercial streets, traffic police, highway inspectors and other law enforcement officers, bus station guides and other service personnel, as well as other relevant personnel who provide services to the public.
When masks are required in outdoor environments, single-use medical masks are usually recommended.
2. Indoor environment
Home environment
In principle, no close contacts at home can not wear a mask.
When there are close contacts at home, please refer to the "Guidelines for Home Isolation and Medical Observation of Close Contacts of Pneumonia Cases Infected by New Coronaviruses" issued by the Beijing CDC.
Family members should wear masks when they develop respiratory symptoms, and single-use medical masks are usually recommended.
Working environment
Staff in a single-person office environment can, in principle, not wear masks.
Staff in a multi-person office environment, the office environment is relaxed, well-ventilated, and each other to confirm that the health condition is good can not wear a mask.
Other work environments or environments where the risk cannot be determined should wear masks, and single-use medical masks are usually recommended.
Collective lodging
After the implementation of relevant measures in accordance with the guidelines issued by the Beijing Municipal Center for Disease Control and Prevention, such as the "Guidelines for Prevention and Control of Pneumonia in Colleges and Universities during the Epidemic of New Coronavirus Infections" and the "Guidelines for Prevention and Control of Pneumonia in Collective Units during the Period of New Coronavirus Infections for Migrant Workers," the relevant personnel may not need to wear masks.
Other places
The public should wear masks when they are in small confined environments such as public **** transportation, compartment elevators, etc. Single-use medical masks are usually recommended.
Four, wearing masks of other recommendations
1, the public in their daily work and life need to wear masks, usually recommended to wear single-use medical masks.
2. Single-use medical masks should be replaced when wet or dirty.
3, single-use masks should not be thrown away, but should be handled in accordance with the requirements of the classification of household waste.
4, before wearing the mask and remove the mask should pay attention to hand hygiene.
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