供參考:新冠雜談 - 給中國留學生的疫苗混打建議和忠告(視頻)
回答: 向大家請教一個打疫苗的問題:我侄女剛從國內來,已經打了兩針科興疫苗。現在問題是要不要在這邊打mRNA 疫苗,如果打,選Pfize
由 wumingxiaobei
於 2021-09-11 19:32:02
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