与每年的流感疫苗不同的是，这种新疫苗提前上市了。
The new vaccine, which is different from the annual flu vaccine, is available ahead of expectations.
研制新的疫苗将排在其他一切医学研究之前。
The search for a new vaccine will take priority over all other medical research.
世界各地的研究人员正在合作培育一种新的疫苗。
Researchers around the world are collaborating to develop a new vaccine.
世界各地的研究人员正在合作培育一种新的疫苗。
Researchers around the world are collaborating to develop a new vaccine.
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