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Alignment of Orf2 sequences of different S. suis isolates as available in the database. Phylogenetic tree of ORF2 sequences available in the database. Three different clusters are indicated in dotted boxes, sub-clusters are also indicated. Virulence of strains is indicated using V, AV, WV (virulent, weakly virulent, avirulent), as well as the host where virulence was determined indicatd with p or h (pigs, humans).
