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【判断题】
地铁车站及列车内人员密集度高、空间相对密闭、通风条件较差,传染性病菌、病毒在地铁中的传播概率、扩散速度将远高于一般环境,同时,由于人流密集、来源复杂,相关监控设备、技术难以覆盖全面等因素,对界定乘客是否是传染病患者难度较大,因此在社会爆发传染性疾病时,地铁引发公共卫生突发事件的概率较大。A.
正确
B.
错误
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