When did the Changle epidemic in Shandong begin?
The epidemic situation in Changle, Shandong Province began in April 15. With the improvement of the epidemic situation, according to the arrangements and requirements of the municipal and county party committees and governments and the education authorities for the resumption of classes, all grades of Changle No.1 Middle School began to return to school in stages from April 15. As of April 2 1 day, except for a few students who failed to return to school due to local epidemic and other reasons, all grades of the school have resumed classes.