名词
中文翻译：流行病株
同义词：
['epidemic strain', 'epidemic strain', 'pandemic strain例句：1. The new vaccine has been shown to be effective against the epidemic strain of influenza.（新疫苗已被证明对流感的流行毒株有效。）2. The outbreak was caused by a new strain of virus that had not been seen before.（这次疫情是由一种之前未曾见过的新病毒株引起的。）']
例句：
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1. The new vaccine has been shown to be effective against the epidemic strain of influenza.
新疫苗已被证明对流感的流行毒株有效。
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2. The outbreak was caused by a new strain of virus that had not been seen before.
这次疫情是由一种之前未曾见过的新病毒株引起的。
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3. Researchers are working on developing a vaccine for the epidemic strain of Ebola virus.
研究人员正在研究开发针对埃博拉病毒流行毒株的疫苗。