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Probability estimation of initial infector % values that can lead to dI values under the two acceptability thresholds: dI ≤ 5% (dashed green line) and dI ≤ 25% (continuous red line). Significant limits for initial infector % are highlighted according to Section 2.3. (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)
