On the late night of May 10, the office of the COVID-19 in Zhengzhou issued a notice that since 0:00 on May 11, the epidemic prevention and control measures in the main urban areas have been adjusted, and the party and government organs, enterprises and institutions at all levels have resumed normal work order and production and operation (excluding the sealed and controlled areas); In addition to the sealed control area and control area, offline resumption of classes, etc. Previously, on May...