As shown in the distance matrix in Fig 3 B (see also Appendix Table S2 ), the probability for spatial overrepresentation of positive cases is highly significant and reaches a maximum ( P ‐val 2.33E‐05) within a radius of 8 m (referred to as 8 m area hereafter; note that while the 8 m maximum reflects statistical significance of overrepresentation, infection rates per se are higher in closer proximity to the index case).
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