名词
中文翻译：混合疫苗
同义词：
['combined vaccine', 'heterologous vaccine']
例句：
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1.The mixed vaccine has been shown to be effective against the new virus.
混合疫苗已被证明对这种新病毒有效。
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2. Due to the mixed vaccine, the epidemic has spread rapidly.
由于混合疫苗，疫情迅速蔓延。
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3. The doctors recommended that everyone get a mixed vaccine before the pandemic began.
医生建议在疫情开始前每个人都接种混合疫苗。