The images in this article are from the Internet, please contact the platform if there is any infringement. When coughing and sneezing, droplets containing viruses can be dispersed into the air within a range of about 2 meters, and people around can be infected by inhaling these droplets, so it is important to pay attention to the following points: 1. When sneezing and coughing, you should cover your mouth and nose with tissues or elbows, not directly with your hands. 2. trash can.3. If you cover your mouth and nose with both hands after sneezing and coughing, you need to wash your hands thoroughly with soap or hand sanitizer.4. For daily coughing or sneezing symptoms, it is recommended to wear a disposable medical mask; you should not take off the mask when coughing or sneezing; and you should change the mask after coughing or sneezing. Source: Guangdong Science and Technology Press, “Protection against novel coronavirus infection” Beijing CDC, “Prevention of novel coronavirus authoritative explanation