2022年夏の米国における青少年におけるロング・COVIDに関連する症状の流行
Deja L Edwards1,2, Leora R Feldstein2, Alexandra F Dalton2
1Eagle Global Scientific, Peachtree Corners, GA 30092, USA.
The Journal of infectious diseases
|August 30, 2025
まとめ
SARS-CoV-2 (COVID-19の原因となるウイルス) の陽性検査を受けた青少年は,症状が4週間以上続く可能性が高くなりました. しかし,青少年のほとんどのロング・COVID症状は3ヶ月以内に解消した.
科学分野:
- 小児の健康
- 感染症
- 流行病学
背景:
- ロング・COVID (感染後4週間以上続く症状) は,特に青少年集団において,懸念が高まっている.
- 青少年におけるロング・COVIDの流行と特徴を理解することは,効果的な公衆衛生戦略にとって極めて重要です.
- 青少年における異なるSARS-CoV-2検査状況における症状の持続時間と重症度を比較するデータは限られている.
研究 の 目的:
- 異なるSARS-CoV-2 (重症急性呼吸器症候群コロナウイルス2) 検査状態の青少年における4週間以上続く症状のリスクと特徴を比較する.
- SARS-CoV-2 の陽性検査と持続的な症状の報告の可能性との関連を調べる.
- 症状の持続時間がSARS-CoV-2の変異期間によって異なるかどうかを調べる.
主な方法:
- 12歳から17歳の784人の青少年を対象に調査を行い,自己報告のSARS-CoV-2検査結果と症状データを収集した.
- 回答者は3つのグループに分けられました.検査結果は陽性で,検査結果は陰性で,検査結果はSARS-CoV-2ではありませんでした.
- チ2テストと多変数ロジスティック回帰を含む統計的分析を使用して,症状の流行と確率をテストステータスと変異期ごとに比較しました.
主要な成果:
- 784人の回答者のうち,34%が陽性で,37%が陰性で,29%は一度も検査されなかった.
- 陽性検査を受けた若者は,陰性 (12%) と一度も検査を受けていない (11%) グループと比較して,症状が4週間以上続くと報告した.
- 陽性の青少年では神経学的症状が3ヶ月以上続く確率が高く,報告された症状のほとんどはこの時間枠内で解消された.
結論:
- SARS-CoV-2に陽性であることが判明した青少年は,少なくとも4週間続く症状を発症する可能性が高いことが示されました.
- この青少年群で観察された大部分の持続症状は3ヶ月以内に解消したようでした.
- 青少年におけるロング・COVIDの長期的な経路と影響を完全に理解するためには,さらなる研究が必要である.
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