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Figure 3. Genetic relationship among 41 isolates of S. suis serotype 2 recovered from carrier pigs belonging to herds with or without clinical signs. The dendogram was generated by unweighted pair group method with arithmetic averages (UPGMA). There are 2 groups (1 and 2) and 2 clusters (A and B).
c.s. — clinical sample.
a — absent.
p — present.
