Birdwatch Archive

Birdwatch Note Rating

2024-04-18 01:38:01 UTC - NOT_HELPFUL

Rated by Participant: BFC6CA00D4EA73E757CAF3817917578B38F0FC858E0765781CFB8BDA57476925
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Original Note:

感染予防効果がなかったかの様な投稿中の主張ですが 新型コロナワクチンの初期の無症状感染予防効果はランダム化比較試験のメタ解析でも既に確認済です↓ https://www.carenet.com/news/general/carenet/56042 控え目な効果に見えますが感染予防効果は無症状感染予防+有症状感染予防効果の和である事に注意が必要です 販売後に関しては観察研究ですが参加者全員を定期的に全員検査し無症状感染も漏らさず検出する事を試みた手法で 未接種未感染者と比べ、デルタ変異の頃で6-8割程度,2回接種者の方が感染リスクが低い事 https://www.thelancet.com/journals/lanhl/article/PIIS2666-7568(22)00147-7/fulltext https://www.nejm.org/doi/full/10.1056/NEJMc2201821 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8942308/ 同じくオミクロン初期株で3回接種で6割程リスクが低い事が共に3研究で一貫して示されています https://pubmed.ncbi.nlm.nih.gov/36016171/ https://pubmed.ncbi.nlm.nih.gov/35948626/ https://pubmed.ncbi.nlm.nih.gov/36435404/

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All Information

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