Birdwatch Archive

Birdwatch Note Rating

2024-08-07 09:24:29 UTC - HELPFUL

Rated by Participant: 2B72330C9DA17EFB4A031BE00A57713FD6ECFE9F7176EE9D90A2781147814791
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Original Note:

ワクチンに有症状感染予防に加えて当初無症状感染予防があった事はランダム化試験のメタ解析でも確認されています↓ https://www.carenet.com/news/general/carenet/56042 https://www.thelancet.com/cms/attachment/4c4c3487-3398-4082-b7d8-13d67f7eb73b/gr2a.jpg この話は22年4月の話です↓ https://twitter.com/kantei/status/1519615186771927040 この頃のオミクロン初期変異に全員定期検査し接種者が未接種者より無症状感染も含めた陽性が少ない事を示した研究には以下の4つの研究が少なくともあり、この時期にも観察研究では感染予防効果は一定程度認められています。 https://www.nejm.org/doi/full/10.1056/NEJMc2201821 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8942308/ https://www.kireports.org/article/S2468-0249(22)01261-X/fulltext https://pubmed.ncbi.nlm.nih.gov/36777314/ 国内でも濃厚接触者等の特定対象者を全員検査し検査受け易さ等のバイアスを除いた3研究でこの時期の株で3回接種者が未接種者に比べ陽性が少ない事が一貫して確認されています↓ 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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