Widespread use is made of scheduled immunization against such diseases, for which effective vaccines have been developed, with a view to preventing their occurrence. To this end, immunization standards and regulations have been developed for mandatory nationwide implementation.
在传染病预防方面，对那些已研制出有数疫苗的疾病广泛采用有计划的免疫法，为此制定了全共和国必须执行的免疫卫保准则。