Legal basis:
Law of People's Republic of China (PRC) on the Prevention and Control of Infectious Diseases Article 15 The State implements the planned immunization system. The administrative department of health of the State Council and the people's governments of provinces, autonomous regions and municipalities directly under the Central Government shall, according to the needs of infectious disease prevention and control, formulate plans for infectious disease vaccination and organize their implementation. Vaccines used for vaccination must meet the national quality standards. The state implements a vaccination certificate system for children. Vaccination in the national immunization program is free. Medical institutions, disease prevention and control institutions and guardians of children should cooperate with each other to ensure that children receive vaccination in time. The specific measures shall be formulated by the State Council.