Fig. 3From: Molecular and evolutionary characterization of norovirus GII.17 in the northern region of BrazilPhylogenetic tree based on Norovirus GII.17 VP1 nucleotide sequence constructed by maximum likelihood method with GTRâ+âIâ+âG4 nucleotide substitution model and 1000 bootstrap replicates. The samples detected in this study are marked by a red ball. The square brackets represent the clades of GII.17. Back to article page