When is the peak of big data epidemic in Tangshan?

The epidemic peak is 65438+February 23, 2022. According to relevant public information, the arrival date of the first wave of infection peak is 65438+February 23, 2022. It is predicted that the peak end date of infection in 2023 will be June 65438+1October1,and the cumulative infection rate will be 9.38% on June 17. Select qualified cities to carry out exploratory sewage monitoring, collect sewage samples from sewage treatment plants for COVID-19 nucleic acid detection, sequence the virus genes of positive samples, dynamically understand the positive rate and virus amount changes of environmental samples, and track the virus gene sequence changes of positive samples of sewage.