The weather is getting hot day by day, and the normalization of epidemic prevention and control remi...
With the high temperature attack across the country, wearing masks poses a big problem for high-temp...
Can disposable medical masks be sprayed with medical alcohol for disinfection and reused? Feng Luzha...
Wearing a mask will increase the resistance to airflow, making it difficult for people to inhale the...
Epidemiology expert Zeng Guang said in an exclusive interview with CCTV reporters that wearing a med...
The main route of transmission of the new coronavirus is the spread of respiratory droplets. In prot...