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Research Article

Natural Ventilation for the Prevention of Airborne Contagion

  • A. Roderick Escombe mail,

    To whom correspondence should be addressed. E-mail: rod.escombe@imperial.ac.uk

    Affiliations: Department of Infectious Diseases & Immunity, Imperial College London, London, United Kingdom, Wellcome Trust Centre for Clinical Tropical Medicine, Imperial College London, London, United Kingdom, Asociación Benéfica PRISMA, Lima, Perú

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  • Clarissa C Oeser,

    Affiliation: Asociación Benéfica PRISMA, Lima, Perú

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  • Robert H Gilman,

    Affiliations: Asociación Benéfica PRISMA, Lima, Perú, Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America

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  • Marcos Navincopa,

    Affiliation: Hospital Nacional Dos de Mayo, Lima, Perú

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  • Eduardo Ticona,

    Affiliation: Hospital Nacional Dos de Mayo, Lima, Perú

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  • William Pan,

    Affiliation: Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America

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  • Carlos Martínez,

    Affiliation: Hospital Nacional Dos de Mayo, Lima, Perú

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  • Jesus Chacaltana,

    Affiliation: Hospital Nacional Daniel Carrión, Lima, Perú

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  • Richard Rodríguez,

    Affiliation: Hospital de Apoyo Maria Auxiliadora, Lima, Perú

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  • David A. J Moore,

    Affiliations: Department of Infectious Diseases & Immunity, Imperial College London, London, United Kingdom, Wellcome Trust Centre for Clinical Tropical Medicine, Imperial College London, London, United Kingdom, Asociación Benéfica PRISMA, Lima, Perú

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  • Jon S Friedland,

    Affiliations: Department of Infectious Diseases & Immunity, Imperial College London, London, United Kingdom, Wellcome Trust Centre for Clinical Tropical Medicine, Imperial College London, London, United Kingdom

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  • Carlton A Evans

    Affiliations: Department of Infectious Diseases & Immunity, Imperial College London, London, United Kingdom, Wellcome Trust Centre for Clinical Tropical Medicine, Imperial College London, London, United Kingdom, Asociación Benéfica PRISMA, Lima, Perú, Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America

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  • Published: February 27, 2007
  • DOI: 10.1371/journal.pmed.0040068

Reader Comments (12)

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Improving the study

Posted by plosmedicine on 31 Mar 2009 at 00:06 GMT

Author: Thomas Hogner
Position: Consultant
Institution: ILC
E-mail: thomas.hogner@gmail.com
Submitted Date: February 27, 2007
Published Date: February 28, 2007
This comment was originally posted as a “Reader Response” on the publication date indicated above. All Reader Responses are now available as comments.

No big surprise in this study. Gather a large group of sick people (what you expect in a hospital), close all the doors and windows and you get more germs/viruses inside than you have outside.

Wouldn't a better study have been to simply look at the rate of post-op infections in a large sample of hospitals, see if there is a correlation between the age of the hospital and the number of infections. I'm guessing that, although fresh air improves a hospital, the number of years a hospital has been open will also have a significant impact.

No competing interests declared.