Legal basis: People's Republic of China (PRC) Vaccine Management Law.
Article 50 The competent health department of the local people's government at or above the county level may, based on the monitoring and early warning information of infectious diseases, report it to the people's government at the corresponding level for decision and report it to the competent health department of the people's government at or above the provincial level for the record, and carry out mass vaccination work within its administrative area. If it is necessary to carry out large-scale vaccination nationwide or across provinces, autonomous regions and municipalities directly under the Central Government, it shall be decided by the competent health department of the State Council. The local people's government at or above the county level or the competent department of health in the State Council, which has made the decision on mass vaccination, shall organize relevant departments to do a good job in personnel training, publicity and education, and material mobilization. No unit or individual may carry out mass vaccination without authorization.
Article 51 During the outbreak and epidemic of infectious diseases, if the local people's governments at or above the county level or their health authorities need to take emergency vaccination measures, they shall follow the provisions of laws and administrative regulations.