Four of them have entered phase III clinical trials with volunteers spread across ten countries.

其中4种候选疫苗已进入三期临床试验，志愿者遍及10个国家。

The spokesperson says China has several vaccines undergoing phase III clinical trials overseas with smooth progress.

该发言人表示，中国有多个疫苗在海外进行三期临床试验，进展顺利。

It says a phase III clinical trial of the Sinopharm vaccine showed an overall efficacy of 86 percent and good safety.

该部表示，国药集团疫苗的三期临床试验显示，总有效率为86%，安全性良好。

If a candidate vaccine successfully passes phase III clinical trials, that means researchers are very confident the vaccine will be effective for everyone.

如果某种候选疫苗成功通过III期临床试验，就意味着研究人员就这种疫苗会对几乎每个人都有效非常有信心。

Two phase III clinical trials have offered conflicting results, and an independent advisory panel convened by the US Food and Drug Administration to assess the drug's effectiveness says that the data do not support its use.

两项 III 期临床试验提供了相互矛盾的结果，美国食品和药物管理局召集的独立顾问小组评估该药物的有效性表示， 数据不支持其使用。