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Factors involved in the aerosol transmission of infection and control of ventilation in healthcare premises

Tang, JW; Li, Y; Eames, I; Chan, PKS; Ridgway, GL; (2006) Factors involved in the aerosol transmission of infection and control of ventilation in healthcare premises. J HOSP INFECT , 64 (2) 100 - 114. 10.1016/j.jhin.2006.05.022.

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Abstract

The epidemics of severe acute respiratory syndrome (SARS) in 2003 highlighted both short- and tong-range transmission routes, i.e. between infected patients and healthcare workers, and between distant locations. With other infections such as tuberculosis, measles and chickenpox, the concept of aerosol transmission is so well accepted that isolation of such patients is the norm. With current concerns about a possible approaching influenza pandemic, the control of transmission via infectious air has become more important. Therefore, the aim of this review is to describe the factors involved in: (1) the generation of an infectious aerosol, (2) the transmission of infectious droplets or droplet nuclei from this aerosol, and (3) the potential for inhalation of such droplets or droplet nuclei by a susceptible host. On this basis, recommendations are made to improve the control of aerosol-transmitted infections in hospitals as well. as in the design and construction of future isolation facilities. (c) 2006 The Hospital Infection Society. Published by Elsevier Ltd. All rights reserved.

Type:Article
Title:Factors involved in the aerosol transmission of infection and control of ventilation in healthcare premises
DOI:10.1016/j.jhin.2006.05.022
Keywords:aerosol, transmission, SARS, influenza, droplets, control, infection, ACUTE RESPIRATORY SYNDROME, ZOSTER-VIRUS-DNA, BLOOD-CONTAINING AEROSOLS, HIGH-SPEED CUTTERS, COMMISSIONING OPERATING-THEATERS, CRITICALLY-ILL PATIENTS, AIRBORNE TRANSMISSION, HONG-KONG, AIR FILTRATION, HERPES-ZOSTER
UCL classification:UCL > School of BEAMS > Faculty of Engineering Science > Mechanical Engineering

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