Emerging Infectious Disease ISSN: 1080-6059

Meningitis and a Febrile Vomiting illness Caused by Echovirus Type 4, Northern Territory, Australia

Peter G. Markey

, Joshua S. Davis, Gerry B. Harnett, Simon H. Williams, and David J. Speers

Author affiliations: Centre for Disease Control, Darwin, Northern Territory, Australia (P.G. Markey); Royal Darwin Hospital, Darwin (J.S. Davis); Queen Elizabeth II Medical Centre, Nedlands, Western Australia, Australia (G.B. Harnett, S.H. Williams, D.J. Speers)

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Figure 3

Phylogenetic tree of viral protein (VP) 1 gene sequences showing the relationship of the Australian echovirus type 4 virus (E4) isolate, AUS250G, to E4 strains, 2 Yanbian strains, and an echovirus type 1 sequence. The tree was constructed in MEGA version 3.0 software (www.megasoftware.net) using the neighbor-joining method with the Kimura 2-parameter model and 1,000 bootstrap replicates. Branch numbers represent bootstrap % values. Scale bar represents nucleotide substitutions per site.

Figure 3. Phylogenetic tree of viral protein (VP) 1 gene sequences showing the relationship of the Australian echovirus type 4 virus (E4) isolate, AUS250G, to E4 strains, 2 Yanbian strains, and an echovirus type 1 sequence. The tree was constructed in MEGA version 3.0 software (www.megasoftware.net) using the neighbor-joining method with the Kimura 2-parameter model and 1,000 bootstrap replicates. Branch numbers represent bootstrap % values. Scale bar represents nucleotide substitutions per site.

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