Figure 2.

Correlogram showing Mantel r statistic computed on binary matrices of genetic (ā‰„98%, <98% homology) and temporal distances for different thresholds (month). Results from 7381 different pairwise combinations of 122 PRRSV ORF5 sequences. Dark dots indicate significant correlation (Pā€‰ā‰¤ā€‰0.004) after 9999 permutations of matrices.

Lambert et al. BMC Veterinary Research 2012 8:76   doi:10.1186/1746-6148-8-76
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