Volume 17, Number 8—August 2011
Research
Novel Surveillance Network for Norovirus Gastroenteritis Outbreaks, United States1
Figure 2

Figure 2. Gastroenteritis outbreak data submitted to CaliciNet from October 2009 through May 2010. Pie graphs represent the proportion of outbreaks reported as norovirus GII.4 New Orleans (white), norovirus GII.4 Minerva (black), and all other norovirus genotypes (gray).
1Additional members of the CaliciNet participating laboratories who contributed data are listed at the end of this article.
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