Genomes of hhvs All HHV genomes have a unique long(UL)and a unique short(Us)region, bounded by inverted repeats The repeats allow rearrangements of the unique regions HHV genomes exist as a mixture of 4 isomers HHV genomes contain multiple repeated sequences. HSY("150kbp) YzY("120-130kbp) IRL IRS CMY (220kbp) U3 ‖ EBY("170kbp) IR4 DR TRGenomes of HHVs  All HHV genomes have a unique long (UL) and a unique short (US) region, bounded by inverted repeats.  The repeats allow rearrangements of the unique regions  HHV genomes exist as a mixture of 4 isomers.  HHV genomes contain multiple repeated sequences