If the continuous nucleic acid test of Zhengzhou Xinzheng New Store is negative in the last 7 days, the blockade can be lifted. 165438+1On the afternoon of October 3, Zhengzhou held a conference on epidemic prevention and control, pointing out that all risk communities and risk units can be released from control as long as the continuous nucleic acid test results in the last 7 days are negative. But the difference is that in the temporary control area to prevent spillover, the unsealing of the community needs a control period and transition time to reduce the risk.