On the 21st, Tianjin announced that the social surface was completely cleared, which means that Tianjin has controlled the epidemic in the sealed area, while the remaining low-risk areas in Tianjin have not been released after 4 rounds of nucleic acid testing and screening

On the 21st, Tianjin announced that the social surface was completely cleared, which means that Tianjin has controlled the epidemic in the closed area, while the remaining low-risk areas in Tianjin have no cases after 4 rounds of nucleic acid testing and screening. The end of the year is approaching here, calling on Tianjin Municipality to cancel the certificate of departure from Tianjin for returning to the hometown of low-risk areas, and let the wanderers who are out of the country return home to reunite.