Figure 2. . . . Distribution of single-state single and multistate outbreaks of listeriosis, 1998–2008, Foodborne Disease Outbreak Surveillance System, United States, 1998–2008 (n = 24 outbreaks). Dark gray indicates single-state and multistate outbreaks, and light gray indicates multistate outbreaks. Values indicate total outbreaks in each state. The grand total of outbreaks indicated in each state is greater than 24 because of multistate outbreaks.
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