On March 22, the joint prevention and control mechanism of the State Council held a press conference on the situation of the epidemic prevention and control work in a strict and realistic manner. Mi Feng, a spokesman for the National Health and Medical Commission, said at the meeting that it is necessary to continue to promote the new crown virus vaccination. As of March 21, a total of 3,230,367,000 doses of the new coronavirus vaccine have been reported nationwide, and 1,240,413,000 people have completed the whole process.