Rapid awareness and transmission of severe acute respiratory syndrome in Hanoi French Hospital, Vietnam

Hiroshi Nishiura, Tadatoshi Kuratsuji, Tran Quy, Nguyen Chi Phi, Vo Van Ban, Le Dang Ha, Hoang Thuy Long, Hideki Yanai, Naoto Keicho, Teruo Kirikae, Takehiko Sasazuki, Roy M. Anderson

研究成果: Contribution to journalArticle査読

47 被引用数 (Scopus)

抄録

A case-control study was conducted to examine the relationship between severe acute respiratory syndrome (SARS) and the time-dependent precautionary behaviors taken during an outbreak of SARS in Hanoi French Hospital (HFH), Vietnam. Masks (odds ratio [OR] = 0.3; 95% confidence interval [CI]: 0.1, 0.7) and gowns (OR = 0.2; 95% CI: 0.0, 0.8) appeared to prevent SARS transmission. The proportion of doctors and nurses who undertook each measure significantly improved (χ2 = 9.8551, P = 0.043) after the onset of secondary cases. The impact of individual behaviors on an outbreak was investigated through mathematical approaches. The reproduction number decreased from 4.1 to 0.7 after notification. The basic reproduction number was estimated, and the use of masks alone was shown to be insufficient in containing an epidemic. Intuitive results obtained by means of stochastic individual-based simulations showed that rapid improvements in behavior and isolation would increase the probability of extinction.

本文言語英語
ページ(範囲)17-25
ページ数9
ジャーナルAmerican Journal of Tropical Medicine and Hygiene
73
1
DOI
出版ステータス出版済み - 7 2005
外部発表はい

All Science Journal Classification (ASJC) codes

  • 寄生虫科
  • ウイルス学
  • 感染症

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