西アフリカにおけるニワトリによるボレリオシス
J F Trape1, J M Duplantier, H Bouganali
1Orstrom, Dakar, Senegal, Africa.
Lancet (London, England)
|February 23, 1991
まとめ
ティックによる再発性熱の原因であるボレリア感染症は,セネガルで広く広がり,人間とネズミの両方に影響しています. この研究は,西アフリカの農村部における重要な健康問題として,ボルレリオシスを強調しています.
科学分野:
- 医療昆虫学 医療昆虫学について
- 感染症 感染症は感染症です.
- エピデミオロジー エピデミオロジー
背景:
- ボレリア・クロシデュラエによって引き起こされるダニによる再発性発熱 (TBRF) は,西アフリカではまれに報告されています.
- この地域では,TBRFに関する疫学的データが限られている.
- ボレリオシスは,農村部の人口における発熱の診断不足の原因である可能性があります.
研究 の 目的:
- 起源不明の発熱を呈するヒトおよびセネガルの一般的外来患者集団におけるボレリア感染症の流行を決定する.
- 小型の哺乳類におけるボレリア菌感染症の有病率を評価し,スピロケータの潜在的貯蔵庫となる.
- セネガルにおけるボルレリオシスの分布と発生率を調査する.
主な方法:
- 1340人の発熱した子供とランダムに選択された外来患者で,ボレリア菌の検出のための濃縮血液の検査.
- 小型哺乳類 (歯類および昆虫食動物) のボレリア菌感染の評価は,白ネズミの直接スプレー検査と腹膜内注射によるものです.
- 子どもの異なる年齢層におけるボルレリアの流行の分析.
主要な成果:
- ボレリアは,検査された子供の0.9%で検出され,高齢者 (10~14歳) 群ではより高い罹患率を示した.
- 461匹の野生のネズミと昆虫を食べる動物のうち65匹でボレリオシスが確認され,マウスのワクチン接種 (33.3%) と直接スプレー (14.1%) によって評価された感染率は高かった.
- ボレリア感染症は,セネガルのさまざまな地域で複数の歯類種に観察されました.
結論:
- ボレリオシスは,セネガルで広範な分布と高い発生率を示しており,重要な公衆衛生問題であることを示唆しています.
- 小型の哺乳類,特にネズミは,この地域のボレリアにとって重要な貯水池です.
- ボレリオシスは,西アフリカの農村部における罹病率の主な原因であり,認識と診断の努力を高める必要があります.
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