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Volume 17, Number 8—August 2011

Research

Novel Surveillance Network for Norovirus Gastroenteritis Outbreaks, United States1

Everardo Vega, Leslie Barclay, Nicole Gregoricus, Kara Williams, David Lee, and Jan VinjéComments to Author 
Author affiliations: Author affiliations: Centers for Disease Control and Prevention, Atlanta, Georgia, USA (E. Vega, L. Barclay, N. Gregoricus, J. Vinjé); Atlanta Research and Education Foundation, Decatur, Georgia, USA (K. Williams, D. Lee)

Main Article

Figure 3

Unrooted phylogenetic tree of the P2 region from all norovirus GII.4 New Orleans strains submitted to CaliciNet and identified by region D analysis from October 2009 through May 2010 (A) and of the complete major capsid protein viral protein 1 of selected norovirus GII.4 variants (B). Numbers on branches represent bootstrap support out of 100. Symbols represent GII.4 variant types (nomenclature proposed by NoroNet in parentheses): black squares, GII.4 NOLA variant; star, GII.4 New Orleans (2010)

Figure 3. Unrooted phylogenetic tree of the P2 region from all norovirus GII.4 New Orleans strains submitted to CaliciNet and identified by region D analysis from October 2009 through May 2010 (A) and of the complete major capsid protein viral protein 1 of selected norovirus GII.4 variants (B). Numbers on branches represent bootstrap support out of 100. Symbols represent GII.4 variant types (nomenclature proposed by NoroNet in parentheses): black squares, GII.4 NOLA variant; star, GII.4 New Orleans (2010) variant; circles, GII.4 Minerva (2006b) variant; triangles, GII.4 Riviera (2007) variant; and diamonds, Yerseke (2006a) variant. AUS2008 (GenBank accession no. GQ845367) and Cairo (accession no. EU876888) are unidentified variant types. GenBank accession numbers of GII.4 sequences included in the analysis: Apeldoorn (AB445395), NOLA (GU270580), New Orleans (GU445325), Minerva (EU078417), Nijmegen (EF126966), DenHaag (EF126965), OC07138 (AB434770), SSCS (FJ411171), Yerseke (EF126963), and CL-CS (EU078419). Scale bars represent number of nucleotide (A) or amino acid (B) substitutions per site. P2 sequences can be provided upon request.

Main Article

1Additional members of the CaliciNet participating laboratories who contributed data are listed at the end of this article.

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