当涂县人口６６万，辖２５个乡镇３０８个行政村，乡镇有集体卫生院、内设计免门诊；行政村有个体卫生室，承担防疫任务。１９８６年开展计划免疫工作。１９８８年以前，由于起步晚，基础差，工作一直很落后，１９８７年第一个８５％目标达标检查时四苗接种率仅４８％。自１９ Dangtu County population 660,000, administer 25 villages and towns 308 administrative villages, villages and towns have a collective hospital, the design of free clinics; administrative villages have individual health room, to undertake quarantine tasks. In 1986 to carry out planned immunization work. Before 1988, due to the late start, the foundation was poor and work was still lagging behind. In 1987, the first 85% of the targets were tested for compliance with the four-seed vaccination rate only 48%. Since 19