Source: CCTV news client
On January 20, 2022, at the 174th press conference on the prevention and control of the new coronavirus pneumonia epidemic in Tianjin, He Peng, the second-level inspector and press spokesman of the Tianjin Municipal Health Commission, introduced that the fourth round of nucleic acid testing for all employees in Tianjin was started at 6 o'clock on January 20, and as of 12:00, the sampling work was basically completed and the testing work was underway.
(Reporter Chen Qingbin, Jia Liliang, Ding Xu)