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  • Inactivation of airborne influenza virus in the ambient air

    Author(s)
    Pyankov, Oleg V
    Pyankova, Olga G
    Agranovski, Igor E
    Griffith University Author(s)
    Agranovski, Igor E.
    Pyankov, Oleg
    Pyankova, Olga
    Year published
    2012
    Metadata
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    Abstract
    Resent respiratory infection outbreak events, including Avian and Swine Influenza and SARS virus spread in various countries ignited a strong interest towards investigations in the area of airborne virus behavior in the ambient air. One of the most important parameters, related to airborne disease transmission is survival of disease causing microorganisms in the ambient air environment. This project investigates survival of airborne influenza virus of different sub-types at common room conditions where risk of disease due to microbial transmission could be particularly high, especially at poorly ventilated environments, where ...
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    Resent respiratory infection outbreak events, including Avian and Swine Influenza and SARS virus spread in various countries ignited a strong interest towards investigations in the area of airborne virus behavior in the ambient air. One of the most important parameters, related to airborne disease transmission is survival of disease causing microorganisms in the ambient air environment. This project investigates survival of airborne influenza virus of different sub-types at common room conditions where risk of disease due to microbial transmission could be particularly high, especially at poorly ventilated environments, where viral concentration in the air reaches significant magnitudes. The results obtained for H1N1 and H5N1 strains show close trend with regards to inactivation in the ambient air; rapid inactivation of approximately 60% of microorganisms over the first 30 min with following inactivation at much slower rate over the remaining 60 min of experiment. A different picture was observed for the H3N2 strain, which demonstrated much higher robustness compared to other subtypes; even after 90 min, around 50% of viral particles were still alive. The results of this research could be directly utilized in health and epidemiological studies, modeling of HVAC systems, microbiological studies and many others.
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    Journal Title
    Journal of Aerosol Science
    Volume
    53
    DOI
    https://doi.org/10.1016/j.jaerosci.2012.05.011
    Subject
    Environmental Chemistry (incl. Atmospheric Chemistry)
    Physical Chemistry (incl. Structural)
    Atmospheric Sciences
    Chemical Engineering
    Publication URI
    http://hdl.handle.net/10072/49986
    Collection
    • Journal articles

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