不是这么回事。新冠早期病例有多达两三周的潜伏期,出境时还在潜伏期时发现不了,连验核酸也得病毒繁殖达到一定量之后才能验出
本帖于 2022-12-03 08:25:25 时间, 由普通用户 天青水蓝 编辑
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