オンタリオ州とトロント州のCOVID-19症例,公衆衛生介入,ワクチン接種率,平均気温の関係に関する調査
Melinaz Barati Chermahini1, Vernon Hoeppner2
1Public Health Sciences Department, Queen's University, 62 Fifth Field Company Lane, Kingston, ON K7L 3N6, Canada.
Diseases (Basel, Switzerland)
|August 27, 2025
まとめ
公衆衛生介入 (PHI) はCOVID-19症例と正の相関関係にある. ワクチンの接種は最初は相関がなく,その後は相関が悪かった.
科学分野:
- 疫学と公衆衛生
- 感染症の動態
- 環境 健康
背景:
- COVID-19の感染に影響を与える要因を理解することは極めて重要です.
- 公衆衛生介入 (PHI),ワクチン接種,体温は重要な変数です.
- 数学的モデルと相関的発見を比較すると 様々な洞察が得られます
研究 の 目的:
- COVID-19症例とPHIとの関係を調査する.
- COVID-19症例とワクチン接種率の相関関係を分析する.
- COVID-19症例と環境温度との関連を調べる.
主な方法:
- 月間PHIスコアは,オックスフォードのCOVID-19政府対応トラッカー (2020年5月〜2021年5月) を使用して計算されました.
- ワクチン接種率と気温のデータを収集した (2021年1月〜2023年9月).
- Spearmanのランク順の相関係数は,関係を評価するために計算された.
主要な成果:
- COVID-19症例とPHIスコア (ρ = 0.947,p < 0.0001) の間に有意な正の相関が観察されました.
- 症例とワクチン接種率の相関は,ほぼゼロ (2021年1月〜2022年1月) から負の値 (2022年2月〜2023年9月, ρ = -0.816, p < 0.0001) に変化した.
- 発症率と体温の相関は最初は否定的であった (2021年1月〜2022年1月, ρ = -0.676, p = 0.0112),その後はほぼゼロとなった.
結論:
- PHIの実施は,COVID-19の症例数と好意的に関連していました.
- ワクチン接種範囲は,値以降の症例とマイナスの相関関係を示したが,体温は有意な相関関係を示さなかった.
- PHIと気温の相関関係は,数学的モデルから得られたものとは異なっていた.
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