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 1. CaliciNet participating states (gray), nonparticipating states (white), and 12 states that submitted norovirus-positive specimens to Centers for Disease Control and Prevention for P2 analysis (stars).
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