China News Service, March 2. According to information from the Tianjin Health and Health Commission website, the 20th and 121 confirmed cases in Tianjin were positive for nucleic acid retest during the period of centralized isolation and observation after discharge, and have been transferred to Haihe Hospital for observation. It is reported that since the 20th case was discharged on February 23, he has been medically observed at the centralized isolation observation point in Hedong District; after the 121st confirmed case has been discharged on February 24, he has been medically observed at the centralized isolation observation point in Baodi District. On March 2, the duo checked for a positive nucleic acid test and were again transferred to Haihe Hospital for observation.

After the 43th confirmed case was discharged on February 11th, he has been conducting medical observations at the centralized isolation observation point in Baodi District. On the 27th, the nucleic acid test result was positive, and he was again transferred to Haihe Hospital for observation. The patient's two nucleic acid test results were negative on February 29 and March 1. After discussion by the city's expert group, she was discharged today and was again transferred to a centralized isolation observation point in Baodi District for medical observation.