How long a disposable mask can be worn depends on the user and the actual situation. Disposable masks should not exceed 4 hours. The specific time should be determined according to the environment in which you wear the mask. If someone who comes into contact with the flu or the virus carrier needs to be replaced immediately to reduce the infection, during the prevention of the disease, some outdoor aerobics should be done appropriately Physical exercise, such as running and cycling to enhance physical fitness.

For medical personnel who need to be exposed to pathogens and have a higher risk of infection, plus the characteristics of surgical masks, experts have given a recommendation to wear a mask for only 4 hours. If it is an ordinary people’s epidemic prevention, the wearing time of the mask can be extended properly, but a mask can only be used up to 5 times. For the suggestion that a mask can be worn for 4 hours, it is usually difficult for ordinary people to wear the mask for 4 hours continuously, which will cause difficulty in breathing.

During the prevention of the virus, repeated use is avoided to avoid inflammation of the mask. The new coronavirus is mainly transmitted through air and contact between people. Wearing surgical masks can reduce the virus into the respiratory tract. Go to a crowded place. In principle, when the mask is damaged, deformed, wet, etc., the mask should be replaced immediately.