平均来看，一个国家每250人就有一人参与了脊灰免疫接种运动。
On average, one in every 250 people in a country has been involved in polio immunization campaigns.
楠榜和中爪哇地区将列入于8月开始的下一阶段的大型免疫接种运动。
Lampung and Central Java will be included in the next phase of the large-scale immunization campaigns which will start from August.
据估计，一次大规模免疫接种运动，如果得到及时实施，可预防70%的病例。
It is estimated that a mass immunization campaign, promptly implemented, can prevent 70% of cases.
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