According to the requirements of the epidemic prevention and control center, it is necessary to carry nucleic acid report, travel code and health code when getting off the expressway.
Pestfreearea is an area with scientific evidence that no pests have been found, which is maintained by the government. Because the epidemic area is sometimes very large, it can be one country or several countries, and there may be some areas in this large epidemic area where no specific pests are distributed. After approval by the competent department, it can be called "non-epidemic origin" and "non-epidemic production point". At present, it refers to the place where there is no outbreak.