202165438+February 5. According to the official statement of zhenhai district CDC, on February 5th, 202 1 65438, the routine nucleic acid sampling test report of zhenhai district Theron Medical Group was positive, and it was tested by zhenhai district CDC at 20: 00 on February 5th. Among them, 1 person was positive at the initial screening, and the remaining 9 people were negative, which lasted until February 6th, 2002/kloc-.