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(a) Effects of active protection on the infectious curve. The grey area indicates when measures are not yet in place. μ is expressed in d−1. (b) Dependency of peak height on μ: the peak is rapidly flattened for increasing μ, then it is smoothly reduced for higher parameter values. (c) High μ values are effective in anticipating the mitigation of the epidemic, but require protecting more than 90% of the population.
