Phase 2 still tests the vaccine's safety, but it's mainly a test to see if the vaccine seems to work. If Phase 2 goes well, the vaccine can begin Phase 3.

第二阶段仍然是测试疫苗的安全性，但主要是检测疫苗是否有效。如果第二阶段进展顺利，疫苗研发就可以开始第三阶段。

youdao

Phase 3: Designing the data warehouse logical model.

阶段3：设计数据仓库逻辑模型。

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Phase 3: Calculate the product's overall maturity score.

阶段3：计算产品的整体成熟度评分。

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And Phase 3, Consolidation, and Phase 4, Boom II, are waiting in the wings.

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The other drug in Phase 3 trials is Viread--Gilead's biggest-selling drug to treat HIV.

FORBES

Its most advanced product, in Phase 3 clinical trials, aims at preventing chemotherapy-induced nausea and vomiting.

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