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Multiple alignment of nucleotide sequences in the CMV gB gene for genotypes 1 to 4. The gB genotypes, accession numbers, and sequence positions are shown beside the sequences. The dots in the alignment indicate consensus nucleotide sequences. (A) The shaded sequences indicate the locations of gB1 primers and probes. (B) The shaded sequences of gB2, gB3, and gB4 are inserted below each genotype alignment.
