On April 3, in Weihai, the thirteenth batch of four closed control areas that met the requirements were unsealed.
The conditions for unblocking the epidemic are as follows:
1. In the past 14 days, there were no new cases or asymptomatic infections in this area.
Two, the last close contact in this area has been exposed to 14 days or more, or the vehicle has been isolated for more than 4 days and the nucleic acid test is negative.
3. All personnel in this area completed a round of nucleic acid screening 2 days before termination, and all were negative.
After the closed control area and the control area are all lifted, the corresponding prevention areas will also be lifted simultaneously.