Under what circumstances can I not wear a face mask?

Since the outbreak of the 2019-nCoV epidemic, face masks have played an important role in the prevention and control of the epidemic. Recently, the State Council of the People's Republic of China has issued technical guidelines for the selection and use of face masks to prevent 2019-nCoV in different populations. Point out how to choose and use face mask scientifically when face mask resources are scarce

The guidelines specify that for the general public

Home, outdoor, no people gathered, well ventilated, it is recommended not to wear face mask;

It is recommended to wear a face mask when you are in a crowded place or using a van elevator, public transportation, etc. in close contact (less than or equal to 1 meter) with other people in medium and low risk areas. In high-risk areas, wear a disposable medical mask.

For those with cold symptoms such as coughing or sneezing, it is recommended to wear a disposable medical mask or a surgical mask.

Persons living with people who are separated from home and discharged from rehabilitation are advised to wear a disposable medical mask or a medical surgical mask

What are the suggestions for other people to wear face masks?

Site-specific personnel

(1) It is located in densely populated hospitals, bus stations, railway stations, subway stations, airports, supermarkets, restaurants, public transportation, and community and unit import and export places.

Recommendations for protection: In medium and low risk areas, workers should wear a disposable medical mask or a medical surgical mask. In high-risk areas, workers wear medical surgical masks or protective masks that comply with KN95 / N95 and above.

(2) In prisons, nursing homes, welfare homes, mental health medical institutions, school classrooms, construction site dormitories and other densely populated places.

Recommendations for protection: In medium and low-risk areas, daily wear a disposable medical mask (disposable medical mask or medical surgical mask), and wear a mask when people gather or come into close contact with one another (less than or equal to 1 meter). In high-risk areas, workers wear medical surgical masks or protective masks in accordance with KN95 / N95 and above; others wear disposable medical masks.

Key Personnel

Suspected cases, confirmed cases, and asymptomatic infections of new coronavirus pneumonia; close contacts of new coronavirus pneumonia; immigrants (from entry to end of quarantine).

Protective suggestion: wear protective masks with medical surgical mask or no exhalation valve in accordance with KN95 / N95 and above.

Occupational Exposure

(1) Medical personnel such as general outpatient clinics and wards; emergency medical personnel in medical institutions in low-risk areas; administrative personnel, police, security, cleaning, etc. engaged in epidemic prevention and control. Protection advice: Wear a medical surgical mask.

(2) Personnel working in the ward and ICU of patients diagnosed with a new type of coronavirus pneumonia, suspected case patients; medical staff at designated medical institutions for fever clinics; medical staff in emergency departments of medical institutions in middle and high risk areas; epidemiological investigations and experiments Room testing, environmental disinfection personnel; transfer of confirmed and suspected cases. Protection advice: Wear medical protective mask.

(3) Operators engaged in the collection of respiratory specimens; staff who perform tracheotomy, tracheal intubation, bronchoscopy, sputum suction, cardiopulmonary resuscitation, or lung transplantation, pathological anatomy in patients with new-type coronavirus pneumonia.

Protection suggestion: hood-type (or full-type) powered air-supply filter-type respirator, or half-face-type power-supply air-filter-type respirator with goggles or full screen; P100 anti-particulate matter is required for both types of respirator Filter elements, filter elements cannot be reused, protective equipment is used after disinfection.