ブラジルにおけるパンデミック後COVID-19の国別調査:Epicovid 2.0
Fernando C Wehrmeister1,2, Ana M B Menezes1, Margareth Dalcolmo3
1Programa de Pós-graduação em Epidemiologia, Universidade Federal de Pelotas, Pelotas, Rio Grande do Sul, Brazil.
International journal of epidemiology
|December 18, 2025
まとめ
SARS-CoV-2出現から4年後、COVID-19を経験したブラジル人の約3分の2がパンデミック後COVID-19(PCC)の症状を経験した。この研究は、COVID-19が長期的な健康に及ぼす持続的な影響を浮き彫りにしている。
科学分野:
- 疫学
- 公衆衛生
- 感染症
背景:
- COVID-19パンデミックは、世界的に広範な健康被害を引き起こした。
- パンデミックの永続的な影響を理解するためには、パンデミック後COVID-19(PCC)を含む長期的な健康への影響を評価することが不可欠である。
研究 の 目的:
- ブラジルにおけるパンデミック後COVID-19(PCC)症状の有病率と持続性を評価すること。
- 初期のSARS-CoV-2出現から4年後のPCCを経験している個人の特性を記述すること。
主な方法:
- 2024年にブラジルの133都市で実施された人口ベース調査。
- 世界保健機関(WHO)のPCCの定義を使用し、33,250人の個人について21のCOVID-19関連症状を記録した。
- 地理的地域および社会人口統計学的要因に基づく症状の有病率を分析した。
主要な成果:
- 回答者の28.6%がCOVID-19の既往歴があると報告し、65.1%がPCC基準を満たした。
- 入院して挿管または酸素投与を必要とした者の中でPCCの有病率が最も高かった(85.3%)。
- 一般的なPCCの症状には、記憶喪失、嗅覚喪失、集中困難、脱毛が含まれた。女性と先住民はより多くの症状を報告した。
結論:
- COVID-19に罹患した個人のかなりの割合が、感染から4年後もPCC症状を経験し続けている。
- パンデミック後COVID-19の疫学を完全に把握するためには、さらなる人口ベースの研究が不可欠である。
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