γγThe novel coronavirus can be transmitted through the air, and there is human-to-human transmission, and asymptomatic infected persons may also become the source of infection. The main ways of transmission of the virus include: 1, respiratory droplet transmission, the patient sneezing, coughing, loud talking when the droplets, exhaled gas is inhaled directly at close range, can lead to susceptible persons infected.γγ2, contact transmission, droplets deposited on the surface of various objects, contact and contamination of the finger, and then contact with the susceptible person’s oral cavity, nasal cavity, eyes and other mucous membranes, can also lead to infection.