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. 2011 Aug;17(8):1484–1487. doi: 10.3201/eid1708.110165

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This is a publication of the U.S. Government. This publication is in the public domain and is therefore without copyright. All text from this work may be reprinted freely. Use of these materials should be properly cited.

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Phylogenetic analysis of (A) complete nonstructural (NS) and (B) viral protein (VP) 1/VP 2 gene sequences of human parvovirus 4 (PARV4) variants isolated from patients with encephalitis of unknown etiology using 167 available sequences from human PARV4 variants (genotypes 1–3). Blue, study sample; red, genotype 1; orange, genotype 2; yellow, genotype 3. The porcine hokovirus sequence (GenBank accession no. EU200671) was used as an outgroup (not shown). The trees were constructed by neighbor-joining of pairwise maximum-composite likelihood corrected distances between nucleotide sequences; bootstrap values ≈70% are shown. Scale bars represent an evolutionary distance of 0.05.