The survival time of viruses on the express is as short as a few hours and may be as long as a few days. The ability of viruses to survive in the outside world is relatively poor, usually a few hours or so. Because the general survival conditions of the virus is the need for living cells, the need for hosts. But if the external conditions are more suitable, such as the right temperature, humidity, PH, etc.. It is possible for this condition to survive for several days. The survival time of the virus is also related to the type of virus. Because it is possible for viruses to survive for a certain period of time outside the body, courier is required to be disinfected, you can use 75% alcohol or 84 disinfectant solution, etc. to spray and apply disinfection. This can avoid the spread of the virus caused by the courier transportation process.