在流行地方性脊髓灰质炎病毒的四个国家(其他两个是尼日利亚和印度)中，阿富汗和巴基斯坦最接近于根除脊髓灰质炎。
Of the four countries with endemic poliovirus - the others are Nigeria and India - Afghanistan and Pakistan are closest to eradicating polio.
在流行地方性脊髓灰质炎病毒的四个国家(其他两个是尼日利亚和印度)中，阿富汗和巴基斯坦最接近于根除脊髓灰质炎。
Of the four countries with endemic poliovirus - the others are Nigeria and India - Afghanistan and Pakistan are closest to eradicating polio.
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