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. 2020 Jun 10;476(2238):20200376. doi: 10.1098/rspa.2020.0376

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© 2020 The Authors.

Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, provided the original author and source are credited.

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Figure 3. — Heat maps of the effective reproduction number (R_e) as a function of control parameters for two values of R₀. Even when R₀ is 4.0, the best outcomes are achieved when masks are worn all the time, a high proportion of the population wear them and their efficacy is high.