Norovirus Surveillance among Callers to Foodborne Illness Complaint Hotline, Minnesota, USA, 2011–2013
Amy A. Saupe , Dawn Kaehler, Elizabeth A. Cebelinski, Brian Nefzger, Aron J. Hall, and Kirk E. Smith
Author affiliations: Minnesota Department of Health, St. Paul, Minnesota, USA (A.A. Saupe, D. Kaehler, E.A. Cebelinski, B. Nefzger, K.E. Smith); Centers for Disease Control and Prevention, Atlanta, Georgia, USA (A.J. Hall)
Figure 1. . Percentage of stool samples submitted by callers to foodborne illness hotline that were positive for norovirus, by month of illness onset and genogroup, Minnesota, USA, October 2011–January 2013.
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