The new coronavirus can be detected during the incubation period. Now that the test reagents for the new coronavirus have been distributed throughout the country, it takes about 2 hours to find out if you are infected using the fastest test method. However, due to the severity of the novel coronavirus outbreak in 2020, there are more patients infected by the virus and resources are limited, so tests are generally not allowed if there are no relevant symptoms to prevent cross-infection and also to ensure that resources are available for patients with severe disease.