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. 2021 May 11;33(5):057107. doi: 10.1063/5.0050058

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© 2021 Author(s)

Published under license by AIP Publishing.

1070-6631/2021/33(5)/057107/14/$30.00

All article content, except where otherwise noted, is licensed under a Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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FIG. 20. — Comparison of the I_risk map at the breathing level between the simulation cases with an air cleaner placed 1.3 m and 0.3 m above the floor near the HUV for the infector (a) in the front and (b) in the middle of the classroom. The ΔI_risk is defined as the I_risk of case TA2H subtracted by that of case TA2 for (a) and the I_risk of case TB2H subtracted by that of case TB2 for (b).