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. 2022 Apr 13;13(6):101398. doi: 10.1016/j.gsf.2022.101398

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Fig. 5 — R_event as a function of the percentage of immune individuals and travel time (from 0 to 480 min): (a) C-0-LDB, infected commuter standing for the whole trip oral breathing; (b) C-0-LDB-SM, infected commuter standing for the whole trip oral breathing and all commuters wear surgical masks; (c) C-60-LDB, infected commuter speaking for the first 60 min and oral breathing for the rest of the time and all commuters wear surgical masks; and (d) C-60-LDB-SM, infected commuter standing for the whole trip oral breathing and all commuters wear surgical masks.