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Could BFFB mode breath aerosol play a role in H5N1 transmission?

Morawska, L., Johnson, G.R., & Bell, S.C. (2012) Could BFFB mode breath aerosol play a role in H5N1 transmission? In European Aerosol Conference 2012, 2-7 September 2012, Parque de las Ciencias, Granada, Spain.

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Abstract

Recent findings concerning exhaled aerosol size distributions and the regions in the respiratory tract in which they are generated could have significant implications for human to human spread of lower respiratory tract-specific infections. Even in healthy people, measurable quantities of aerosol are routinely generated from the Lower Respiratory Tract (LRT) during breathing(1-3). We have found that there at least three modes in the exhaled aerosol size distribution of healthy adults(4) (see Figure 1). These modes each have a characteristic size and arise from different parts of the respiratory tract. The respiratory bronchioles produce aerosol during breathing, the larynx during speech and the oral cavity also during speech. The model of the resulting droplet size distribution is therefore called the Bronchial Laryngeal Oral (B.L.O.) tri-modal model of expired aerosol.

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13 since deposited on 11 Oct 2012
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ID Code: 54102
Item Type: Conference Item (Poster)
Keywords: H5N1, influenza, exhaled aerosol, BFFB , air quality
Subjects: Australian and New Zealand Standard Research Classification > ENVIRONMENTAL SCIENCES (050000) > ENVIRONMENTAL SCIENCE AND MANAGEMENT (050200) > Environmental Monitoring (050206)
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > Institutes > Institute of Health and Biomedical Innovation
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2012 The Authors
Deposited On: 11 Oct 2012 14:19
Last Modified: 27 Feb 2013 07:03

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