Medical masks are mostly made of one or more layers of non-woven fabrics.

Medical masks can be divided into: medical protective masks, medical surgical masks, ordinary medical masks.

Epidemiology expert Zeng Guang said in an exclusive interview with CCTV reporters that wearing a medical mask is to contribute to epidemic prevention and control. Everyone must wear a medical mask when they go out, which is responsible for themselves and society. Everyone wears a medical mask, the r......

The main route of transmission of the new coronavirus is the spread of respiratory droplets. In protective equipment, the role of masks is irreplaceable. It can be said that the correctness of wearing a mask is directly related to the success or failure of protection. However, there are certain requ......

Wearing a mask will increase the resistance to airflow, making it difficult for people to inhale the amount of air needed at the highest exercise level.

Can disposable medical masks be sprayed with medical alcohol for disinfection and reused? Feng Luzhao, a researcher at the Chinese Center for Disease Control and Prevention, introduced that ordinary residents use disposable masks in places where the risk is relatively low, which can be reused under ......