Flying in the COVID-19 Era: Science-based Risk Assessments and Mitigation Strategies on the Ground and in the Air Proceedings of a Workshop (2022) / Chapter Skim
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4 COVID-19 Risk and Mitigation in Airports
4 COVID-19 Risk and Mitigation in Airports
Pages 29-34
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From page 29... ...
Chan School of Public Health, described the findings from a 2013 National Academies of Sciences, Engineering, and Medicine report, Infectious Disease Mitigation in Airports and Airplanes,1 he described a "healthy buildings strategy" that included a recommendation on maintaining heating, ventilation, and air conditioning (HVAC) systems in such a way that they ensured healthy air.
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From page 30... ...
Showing a figure that displayed infection prevention in terms of stack of "Swiss cheese slices" (Figure 4.1) , she explained that today's infection prevention takes a holistic approach to preventing infectious disease prevention, which includes such steps as disease surveillance, cleaning and disinfection, improved ventilation, masks and other personal protective equipment, social distancing and quarantines, contact tracing, risk assessments, and communication.
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From page 31... ...
"So essentially, UV-C companies can pretty much say whatever they want, and it can be entirely non-effective." A larger issue, Popescu said, is that people tend to focus on one or two things to reduce risk, but risk reduction is additive, so it is important to combine a variety of approaches. "If we're going to be focusing on cleaning and disinfection and air quality and ventilation, we can't forget about proper mask usage," she said, and if people are told that one particular activity is high-risk, it can push them toward other choices that could also be risky -- like eating their food at the gate to avoid eating it in a restaurant.
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From page 32... ...
A number have installed thermographic screening systems, often known as fever detection or fever screening, for detecting elevated body temperatures. Some have used facial analysis and facial recognition to facilitate travel -- in essence, a type of touchless technology to identify passengers without having to handle identification.
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From page 33... ...
So human behavior is a big part of what we'd love to know." RISK CONSIDERATIONS FOR AIRPORTS Unlike commercial airliners, which have similar functions and very similar designs, airports have very different designs, Spengler said. Even though they have similar functions, the layouts and processes can differ dramatically from airport to airport.
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From page 34... ...
The bottom line, Spengler said, is that risk is decreased by maximizing airflow, maintaining good filtration, keeping passenger density low, and keeping the time passengers spend in such enclosed spaces to a minimum. In closing, Spengler described a simulation the group did of how the use of Plexiglas barriers to separate the various segments of a long, snaking line affected transmission risk among those in the line.
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