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herd immunity
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herd immunity
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医学
群体免疫
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herd immunity
群体免疫
根据某种传染病流行区域与人群发病等流行病学特点,在人群中进行大规模的疫苗或菌苗接种以预防和控制其传播流行的措施。又称社区免疫。
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Bao Linghui
baolong pill
Baolun Temple Tower
Baoluoli River
Baolu Xu
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Bao Pao
Baopu Taoist Temple
Baopu Taoist Temple of Geling Mountain
Bao Qianguang
Bao Qifan
Baoshan Bamboo Slip from ChuPeriod
Baoshan Gold and Silver Mine Site
Baoshan Museum
Baoshan Qu
Baoshan Shi
Baoshan Temple's Main Hall
Bao Shichen
Bao Shuya
Baota Formation
Baota Qu
Baota Shan
Baotianman National Nature Reserve
Bao Tianxiao
Bao Tianxiao's Memoirs
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