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最好的预防措施, 她说, 是每年接种流感疫苗.
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All the children under 3 years old are to be vaccinated against typhus this Saturday.
本周六所有3岁以下的儿童接种斑疹伤寒疫苗.
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On the basis, immune response and its regularity of vaccinated equus were discussed.
在此基础上, 探讨了注苗后马(骡)免疫反应及其动态规律.
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