Fig 3.

Class I phylogeny. Phylogenetic analysis of the F gene (400 nt; positions 125 to 524) of Finnish class I strains. The Finnish strains described in this study are marked by black dots and a previous isolate by a white dot. The tree was generated by a neighbor-joining algorithm, and alignments were bootstrapped 1,000 times. Bootstrap values of >70 are shown. The strain names were edited to include origin of isolates where needed. Genotypes (according to Kim et al. [24]) are marked on the right.