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Mutsch, B.* ; Heiber, M.* ; Grätz, F.* ; Hain, R.* ; Schönfelder, M.* ; Kaps, S.* ; Schranner, D. ; Kähler, C.J.* ; Wackerhage, H.*

Aerosol particle emission increases exponentially above moderate exercise intensity resulting in superemission during maximal exercise.

Proc. Natl. Acad. Sci. U.S.A. 119:e2202521119 (2022)
Publ. Version/Full Text DOI PMC
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SignificanceAirborne transmission of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) or other pathogens is probably increased during indoor exercise, but data on the emission of aerosol particles by an exercising individual are lacking. Here, we report that aerosol particle emission increases on average 132-fold from 580 ± 489 particles/min at rest to 76,200 ± 48,000 particles/min during maximal exercise. Aerosol particle emission increases moderately up to an exercise intensity of ≈2 W/kg and exponentially at higher exercise intensities. These data not only explain SARS-CoV-2 transmissions during indoor group exercise but also can be used to design better targeted mitigation measures for physical activity indoors such as physical education in school, dance events during weddings, or high-intensity gym classes such as spinning.
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Publication type Article: Journal article
Document type Scientific Article
Keywords Sars-cov-2 ; Aerosol Particle Concentration ; Aerosol Particle Emission ; Exercise ; Physical Activity
Language english
Publication Year 2022
HGF-reported in Year 2022
ISSN (print) / ISBN 0027-8424
e-ISSN 1091-6490
Journal Proceedings of the National Academy of Sciences of the United States of America
Quellenangaben Volume: 119, Issue: 22, Pages: , Article Number: e2202521119 Supplement: ,
Publisher National Academy of Sciences
Reviewing status Peer reviewed
Institute(s) Institute of Computational Biology (ICB)
POF-Topic(s) 30205 - Bioengineering and Digital Health
Research field(s) Enabling and Novel Technologies
PSP Element(s) G-503891-001
Grants German Federal Institute of Sport Science
Deutsche Forschungsgemeinschaft (DFG)
DOI 10.1073/pnas.2202521119
Scopus ID 85130436067
PubMed ID 35605123
Erfassungsdatum 2022-06-10
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