Alliance for Pandemic Preparedness

April 14, 2021

Laboratory Modeling of SARS-CoV-2 Exposure Reduction Through Physically Distanced Seating in Aircraft Cabins Using Bacteriophage Aerosol — November 2020

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  • A laboratory model of airborne SARS-CoV-2 transmission on single- and twin-aisle aircraft found that exposures were reduced by 23-57% in seating scenarios when the middle seat was left vacant compared to when every seat was filled. Data from a study which examined aerosolized dispersion of a non-pathogenic respiratory virus in various airline cabin mock-ups from various locations within the cabin prior to the COVID-19 pandemic were used to model aerosol concentration. The effect of masking on transmission was not included in the model; therefore, results only simulate exposure and not transmission probability.

Dietrich et al. (Apr 14, 2021). Laboratory Modeling of SARS-CoV-2 Exposure Reduction Through Physically Distanced Seating in Aircraft Cabins Using Bacteriophage Aerosol — November 2020. MMWR. Morbidity and Mortality Weekly Report. https://doi.org/10.15585/mmwr.mm7016e1