Toward understanding the risk of secondary airborne infection : emission of respirable pathogens

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<title>Toward understanding the risk of secondary airborne infection : emission of respirable pathogens</title>
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<namePart>Nicas, Mark</namePart>
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<namePart>Nazaroff, William W.</namePart>
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<namePart>Hubbard, Alan</namePart>
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<abstract>Certain respiratory tract infections are transmitted through air. Coughing and sneezing by an infected person can emit pathogen-containing particles with diameters less than 10 um that can reach the aleveolar region. Based on our analysis of the sparse literature on respiratory aerosols, we estimated that emitted particles quickly decrease in diameters due to water loss to one-half the initial values, and that in one cough the volume in particles with initital diameters less than 20 um is 6 x 10 -8 mL</abstract>
<note type="statement of responsibility">Mark Nicas, William W. Nazaroff and Alan Hubbard</note>
<subject authority="lcshac" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="MAPA20080580858">
<topic>Higiene ambiental</topic>
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<topic>Contaminación atmosférica</topic>
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<topic>Vías respiratorias</topic>
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<topic>Aerosoles</topic>
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<topic>Infecciones</topic>
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<topic>Contaminación del aire</topic>
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<topic>Partículas ambientales</topic>
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<topic>Enfermedades infecciosas</topic>
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<topic>Tuberculosis</topic>
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<title>Journal of occupational and environmental hygiene</title>
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<publisher>Cincinnati, Ohio : American Industrial Hygiene Association : American Conference of Governmental Industrial Hygienists</publisher>
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<text>Vol. 2, nº 3, March 2005 ; p. 143-154</text>
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