The removal of airborne SARS-CoV-2 and other microbial bioaerosols by air filtration on COVID-19 surge units.
Clin Infect Dis
Oxford University Press (OUP)
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Conway Morris, A., Sharrocks, K., Bousfield, R., Kermack, L., Maes, M., Higginson, E., Forrest, S., et al. (2021). The removal of airborne SARS-CoV-2 and other microbial bioaerosols by air filtration on COVID-19 surge units.. Clin Infect Dis https://doi.org/10.1093/cid/ciab933
Airborne SARS-CoV-2 was detected in a COVID-19 ward before activation of portable HEPA-air filtration, but not during the week of filter operation; SARS-CoV-2 was again detected when the filter was off. Airborne SARS-CoV-2 was infrequently detected in a COVID-19 ICU. Filtration significantly reduced other microbial bioaerosols in both settings.
COVID-19, SARS-CoV-2, air filtration, airborne pathogens, nosocomial infection
This work was supported by a Wellcome senior research fellowship to Stephen Baker (215515/Z/19/Z), and NIHR AMR Research Capital Funding Scheme [NIHR 200640]. Andrew Conway Morris is supported by a Clinician Scientist Fellowship from the Medical Research Council (MR/V006118/1). Mailis Maes and Sally Forrest are funded by the National Institute for Health Research [Cambridge Biomedical Research Centre at the Cambridge University Hospitals NHS Foundation Trust].
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External DOI: https://doi.org/10.1093/cid/ciab933
This record's URL: https://www.repository.cam.ac.uk/handle/1810/330251
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