With the high temperature attack across the country, wearing masks poses a big problem for high-temperature epidemic prevention. Wearing masks is sultry and hot, and it is prone to acne. If you don't wear it and you are afraid of the virus, you can see how to wear masks on high temperature days.

The weather is getting hot day by day, and the normalization of epidemic prevention and control reminds us that we must insist on wearing masks scientifically in public places where many outsiders gather. However, many friends found that in the hot summer, in addition to feeling hot, there were many......

Since medical masks are registered or controlled according to medical devices in most countries or regions, consumers can further distinguish through relevant registration control information. The following takes three countries and regions in China, the United States and Europe as examples for anal......

Different standards and certification requirements apply to medical masks in different countries/regions.

Wu Haojie, a nurse in the emergency department of the Chongqing Emergency Medical Center, said that many citizens have recently reported that wearing a mask for a long time causes breathlessness, which can be relieved by abdominal breathing.

The “Guidelines for Wearing Masks in the Public Science” have clearly stated that disposable medical masks and medical surgical masks are limited-use, with a total of no more than 8 hours. Occupational exposure (doctors, testing personnel, etc.) personnel use masks for no more than 4 hours, and cann......