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Identification of recombinant sequences in the genome of Human Enterovirus 71 (HEV71) subgenotype B3. A) shows the conflicting tree topology at the P3 genome region. B) shows results from similarity plot and bootscan analyses indicating the recombination sites. The window size of 400-nt slides in increments of 20 nt at a time. Positions containing gaps were excluded from the comparison.
