Fig. 1.
Number and per capita rate of foodborne norovirus GII.4 (n = 258; A) and non-GII.4 (n = 235; B) outbreaks reported to the National Outbreak Reporting System and CaliciNet by state, United States, August 2009–July 2015.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.