确实跟年龄有关，也跟密接有关。医生和教师都是容易传染流感的人群，所以他们都是每年必打流感疫苗的。

来源: 阿明. 于 2022-11-29 17:41:24 [旧帖] [给我悄悄话] 本文已被阅读：次

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