Multi‐zone modeling of probable SARS virus transmission by airflow between flats in Block E, Amoy Gardens
Identifieur interne : 004B46 ( Main/Exploration ); précédent : 004B45; suivant : 004B47Multi‐zone modeling of probable SARS virus transmission by airflow between flats in Block E, Amoy Gardens
Auteurs : Y. Li [République populaire de Chine] ; S. Duan [République populaire de Chine] ; I. T. S. Yu [République populaire de Chine] ; T. W. Wong [République populaire de Chine]Source :
- Indoor Air [ 0905-6947 ] ; 2005-04.
Descripteurs français
- KwdFr :
- MESH :
- Wicri :
- geographic : Hong Kong.
English descriptors
- KwdEn :
- MESH :
- geographic , epidemiology : Hong Kong.
- epidemiology : Severe Acute Respiratory Syndrome.
- transmission : Severe Acute Respiratory Syndrome.
- Air Movements, Disease Outbreaks, Facility Design and Construction, Housing, Humans, Models, Theoretical, Urban Population, Ventilation.
Abstract
Abstract More than 300 residents of a private high‐rise housing estate were infected with severe acute respiratory syndrome within a short period during the 2003 epidemic in Hong Kong. The outbreak occurred after the identified index patient visited a flat on a middle floor in Block E of the Amoy Gardens estate on two nights. Approximately 45% of the subsequently infected people resided in Block E, while the other 55% of infected cases mainly resided in six other blocks close to Block E. The distribution of the infected flats in Block E conformed to a non‐uniform spatial pattern. Probable environmental causes for airborne transmission associated with the air movements between flats in Block E are identified. The well‐established multi‐zone airflow modeling method was used to analyze the virus‐laden bio‐aerosol dispersion between flats through door and window leakage areas in Block E under six different scenarios. The distribution of infection risk in Block E matched with the virus concentrations in flats predicted with the use of multi‐zone modeling. Our study shows the importance of ventilation design in high‐rise residential apartments.
Url:
DOI: 10.1111/j.1600-0668.2004.00318.x
Affiliations:
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Li</name><affiliation wicri:level="1"><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Department of Mechanical Engineering, University of Hong Kong, Hong Kong SAR</wicri:regionArea><wicri:noRegion>Hong Kong SAR</wicri:noRegion></affiliation></author><author><name sortKey="Duan, S" sort="Duan, S" uniqKey="Duan S" first="S." last="Duan">S. Duan</name><affiliation wicri:level="1"><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Department of Environment Engineering, Southwest University of Science and Technology, Mianyang City, Sichuan Province 621002</wicri:regionArea><wicri:noRegion>Sichuan Province 621002</wicri:noRegion></affiliation></author><author><name sortKey="Yu, I T S" sort="Yu, I T S" uniqKey="Yu I" first="I. T. S." last="Yu">I. T. S. 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The outbreak occurred after the identified index patient visited a flat on a middle floor in Block E of the Amoy Gardens estate on two nights. Approximately 45% of the subsequently infected people resided in Block E, while the other 55% of infected cases mainly resided in six other blocks close to Block E. The distribution of the infected flats in Block E conformed to a non‐uniform spatial pattern. Probable environmental causes for airborne transmission associated with the air movements between flats in Block E are identified. The well‐established multi‐zone airflow modeling method was used to analyze the virus‐laden bio‐aerosol dispersion between flats through door and window leakage areas in Block E under six different scenarios. The distribution of infection risk in Block E matched with the virus concentrations in flats predicted with the use of multi‐zone modeling. Our study shows the importance of ventilation design in high‐rise residential apartments.</div></front></TEI><affiliations><list><country><li>République populaire de Chine</li></country><settlement><li>Sha Tin</li></settlement><orgName><li>Université chinoise de Hong Kong</li></orgName></list><tree><country name="République populaire de Chine"><noRegion><name sortKey="Li, Y" sort="Li, Y" uniqKey="Li Y" first="Y." last="Li">Y. Li</name></noRegion><name sortKey="Duan, S" sort="Duan, S" uniqKey="Duan S" first="S." last="Duan">S. Duan</name><name sortKey="Wong, T W" sort="Wong, T W" uniqKey="Wong T" first="T. W." last="Wong">T. W. Wong</name><name sortKey="Yu, I T S" sort="Yu, I T S" uniqKey="Yu I" first="I. T. S." last="Yu">I. T. S. Yu</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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