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所謂「白打第一劑」是假訊息,別上當。

目前美國CDC已認可將莫德納或BNT的兩劑間隔時間延長至6週(42天),但美國CDC並沒有說超過6週就會讓第一劑無效,只表示目前對此的研究還不夠多。[見出處1]

此外,目前確實已有相關的科學研究顯示,若將莫德納的兩劑間隔時間延長到至少9週以上,反而是能增加疫苗施打的效力並減少COVID-19的傳播、住院與死亡率。[見出處2]

References

[1] https://www.cdc.gov/vaccines/covid-19/clinical-considerations/covid-19-vaccines-us.html
[2] https://journals.plos.org/plosbiology/article?id=10.1371/journal.pbio.3001211

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