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Phylogenetic tree of VP7 nucleotide sequences of G3P[19] strains, demonstrating a close genetic relationship between G3P[19] strains isolated from 2000 to 2001 and PoRV G3 strains (CMP213 and CMP214) isolated in 2002 from the same geographical area. Bootstrap values supporting some clusters are shown at the branch nodes. Branch length for a 10% nucleotide difference is indicated at the bottom.
