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单词
ring vaccination
释义
ring vaccination
简明释义
环状疫苗接种:一种疫苗接种策略,目的是在疫情发生时尽快控制病毒传播。通过对确诊病例的密切接触者和周围人群进行疫苗接种,从而在病毒传播链周围形成免疫屏障。
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更新时间:2025/1/10 22:11:15