Legal analysis: there is no mandatory requirement for individual households must be vaccinated, vaccination is voluntary.

Legal basis: "Chinese People's **** and State Vaccine Administration Law"

Article 41 The competent health department of the State Council to develop a national immunization program; national immunization program vaccine types formulated by the competent health department of the State Council, in conjunction with the State Council's financial department, and reported to the State Council for approval and then announced.

The competent health department under the State Council establishes an advisory committee of experts on national immunization planning and, together with the finance department under the State Council, establishes a mechanism for dynamic adjustment of the types of vaccines for national immunization planning.

Provincial, autonomous regions and municipalities directly under the Central People's Government in the implementation of the national immunization program, according to the needs of the administrative region of disease prevention and control, to increase the types of vaccines for immunization program, reported to the State Council competent department of health for the record and announced.

Article 42 The competent department of health under the State Council shall formulate and promulgate specifications for preventive vaccination, and strengthen the standardized management of preventive vaccination.

The competent health department under the State Council shall formulate and promulgate the immunization procedures for national immunization plan vaccines and the guiding principles for the use of non-immunization plan vaccines.

The competent health authorities of the people's governments of provinces, autonomous regions and municipalities directly under the Central Government shall formulate vaccination programs in the light of the actual situation in their administrative regions, and report them to the competent health authorities of the State Council for the record.

Article 43 The disease prevention and control agencies at all levels shall, in accordance with their respective responsibilities, carry out publicity, training, technical guidance, monitoring, evaluation, epidemiological investigations, emergency response and other work related to vaccination.