Novel Surveillance Network for Norovirus Gastroenteritis Outbreaks, United States1
Everardo Vega, Leslie Barclay, Nicole Gregoricus, Kara Williams, David Lee, and Jan Vinjé
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)
Figure 4. Amino acid substitutions in the major capsid protein viral protein 1 of norovirus New Orleans GII.4 strains compared with recent GII.4 variants. The P2 hypervariable region is underlined. *Protruding regions and histo–blood group antigen interacting sites. Dots indicate sequence identity.
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