Aerosol transmission of infectious disease
- PMID: 25816216
- DOI: 10.1097/JOM.0000000000000448
Aerosol transmission of infectious disease
Abstract
Objective: The concept of aerosol transmission is developed to resolve limitations in conventional definitions of airborne and droplet transmission.
Methods: The method was literature review.
Results: An infectious aerosol is a collection of pathogen-laden particles in air. Aerosol particles may deposit onto or be inhaled by a susceptible person. Aerosol transmission is biologically plausible when infectious aerosols are generated by or from an infectious person, the pathogen remains viable in the environment for some period of time, and the target tissues in which the pathogen initiates infection are accessible to the aerosol. Biological plausibility of aerosol transmission is evaluated for Severe Acute Respiratory Syndrome coronavirus and norovirus and discussed for Mycobacterium tuberculosis, influenza, and Ebola virus.
Conclusions: Aerosol transmission reflects a modern understanding of aerosol science and allows physically appropriate explanation and intervention selection for infectious diseases.
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