WHO and its partners are currently assessing the impact of the initial mass immunization campaigns, including their safety and efficacy.

世卫组织及其合作伙伴正在评估最初大规模免疫接种运动的影响，包括其安全性和有效性。

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WHO and its partners are currently assessing the impact of these initial mass immunization campaigns, including their safety and efficacy.

世卫组织及其合作伙伴目前正在评估这些初始阶段的大规模免疫运动带来的影响，包括其安全性和效力。

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Empirical evidence of the medical efficacy in the rich Chinese medical archive from centuries earlier similarly influenced the initial direction of this research.

数世纪前关于中药医疗功效的实验性证据，同样影响了这项研究最初的方向。

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This month Vertex plans to present initial efficacy results for a drug it believes will avoid the toxicity problems of Boehringer's compound.

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Menasche's initial trial of the method on ten patients showed tantalizing hints of efficacy, but because there was no control group, it is impossible to tell whether the improvements seen were due to the cell transplant or to the bypass surgery the patients also received.

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