此文有兩誤:1)Omicron的通吃應該是指“感染過的和打了疫苗的都可以感染”,否則Delta也是通吃了。

本帖於 2022-01-27 14:47:17 時間, 由普通用戶 阿明. 編輯

2)流感疫苗的有效期也隻有幾個月,沒有一年。A 2017 studyTrusted Source indicated that maximum immunity is achieved shortly following vaccination and decreases with each passing month. Therefore, if you get your vaccine in August, you may be more susceptible to infection late in the flu season, around February or March. 摘自 https://www.healthline.com/health/cold-flu/how-long-does-flu-shot-last#when-to-get-it

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