If a building is positive for a new coronavirus, it is usually possible to open the windows. To determine whether it is possible to open a window, it is necessary to determine the distance of the positive occupants from their own windows, if the distance is relatively far, then the probability of being infected is relatively small. According to research, the new coronavirus can be spread through droplets, if you inhale droplets such as sneezes and coughs from positive patients, then you can get infected with the new coronavirus. In addition, the new coronavirus can also be transmitted through contact, where the virus stays on the surface of an object and healthy people can be infected when they touch it. The new coronavirus is more harmful, strong transmission, after infection, the body may have fever, cough and other symptoms, and severe cases may have other sequelae such as pulmonary fibrosis after recovery. In daily life, you need to do a good job of personal protection, so as not to be infected with the virus. It is also recommended to get vaccinated with the new coronavirus vaccine if you are physically able to do so, which can provide effective protection.