计划免疫工作任重道远,尤其是在工作的重点转向加强薄弱地区和薄弱环节时任务更为艰巨。计划免疫薄弱乡(下简称薄弱乡)往往存在的问题比较集中且更具典型意义。因此,探明薄弱乡的计免工作差距和导致这一差异的成因,从而有的放 Planned immunization has a long way to go, especially when the focus of work shifts to strengthening weak areas and weak links. The problems that often exist in the planned immune weak villages (hereinafter referred to as weak townships) are more concentrated and more typical. Therefore, to explore the gaps in the fee-exempt work and the causes of this difference, so that some