When the epidemic is more serious, people with high-risk jobs should do special protection, including bus drivers and salespersons, service workers at airports and stations, who must work in crowded places. It is recommended to wear medical protective masks with strict protective effect and to change them regularly, once every 4 hours if necessary, in order to have a protective effect. Also pay attention to hand hygiene, wash your hands regularly, always wash your hands before touching your eyes or nose, and wash your hands before eating, which can effectively reduce contact transmission. As an emergency department doctor, to receive many suspected patients, not only must wear medical protective masks, but also goggles, isolation clothing, gloves, and even protective boots, and more standardized when putting on and taking off protective equipment, in order to effectively protect themselves from infection. Content source: Dr. You Lai