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. 2020 Jul 2;99(10):1192–1198. doi: 10.1177/0022034520940288

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© The Author(s) 2020

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (https://creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 1. — The probability of infection transmission of measles virus (A), severe acute respiratory syndrome (SARS) coronavirus (B), influenza virus (C), Mycobacterium tuberculosis (D), and Legionella pneumophila (E). The bars represent the indoor carbon dioxide concentrations, indicative for the level of ventilation. The values for q represent the 3 levels of patient infectivity, while the R values stand for the 3 levels of personal protection.