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(a) Effects of social distancing on the epidemic curve. The grey area indicates when measures are not yet in place. (b) The peak is progressively flattened until a mitigation is reached for sufficiently small ρ. For these settings, the critical value for ρ is 0.4 (it pushes below 1). (c) Unless ρ is small enough, stronger measures of this kind might delay the mitigation time of the epidemic.
