全球根除天花最终于1977年10月26日以在索马里的最后一例自然发生病例宣布实现。
Global smallpox eradication was finally achieved with the world's last naturally-occurring case in Somalia on 26 October 1977.
在人口超过60亿的世界中，要在全球根除一种病毒不是一件容易的事。
Global eradication of a virus in a world of more than 6 billion people is not an easy job.
剩余脊髓灰质炎流行地区的强劲进展和最近采用新的工具已经在全世界除一个国家外的所有国家将全球根除脊髓灰质炎努力推进至其最后阶段。
Strong advances in the remaining polio endemic areas and the recent introduction of new tools have moved the global polio eradication effort into its final phase in all but one country of the world.
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