2022 Changchun December nine of the epidemic in the realization of all clear 14 days after the unblocking. Changchun Municipal Government Information Office held a press conference on the prevention and control of the new coronavirus pneumonia epidemic (57th) introduced the latest round of nucleic acid test results research and judgment, determined that Changchun has been in the 24th of December 9 to achieve the goal of social surface clearance. And when the outbreak of social surface clearance generally about 14 days after the time will be all unsealed.