Wenzhou is the city with the worst epidemic in Zhejiang. According to public information, as of January 4, 223, there are four high-risk areas in Zhejiang, among which Wenzhou is the first city. At present, there are no low-risk and high-risk areas in Zhejiang, which are all normalized prevention and control areas. Since January 8, 223, novel coronavirus has been subject to Class B and B management, and isolation measures will no longer be implemented after implementation. No longer judge close contacts. No longer delimit high and low risk areas. Implement classified treatment and timely adjust the medical security policy. The detection strategy is adjusted to be willing to check and check. Adjust the frequency and content of epidemic information release. No longer take quarantine and infectious disease management measures for entry personnel and goods.