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Schematic diagram of the intratypic chimera recombinant constructs between EV71-6F and EV71-26M. Chimeras are identified by using the following nomenclature: pA/B/C, where A is the backbone virus, B is the exchanged genomic region and C is the name of the virus providing the exchanged genomic region. The growth phenotypes of each chimeric virus are shown in parentheses.
