How did the epidemic in Changzhou come about?

The epidemic in Changzhou is because it is the construction site of Qingyun Lanwan project in Zhonglou District, and many people are infected. The starting point of this outbreak in Changzhou is the Qingyun Lanwan project site in Zhonglou District, and many people are infected. 17 On June 23rd, it was reported at the Fifth Conference on Epidemic Prevention and Control in Changzhou that a parent who picked up his children outside the school gate of Sanhekou Middle School in Changzhou did not wear a mask, which led to the rapid spread of the virus in a certain range, and more than 30 people were infected. On the 23rd, Changzhou added nine high-risk areas, all in the same street.