Emerging Infectious Disease ISSN: 1080-6059
Volume 15, Number 5—May 2009
Research
A Case–Control Study on the Origin of Atypical Scrapie in Sheep, France
Figure 1

Figure 1. Distribution of cases of atypical scrapie and controls (no. cases/no. controls) in sheep, France, 2007. Sheep production areas are outlined in black, and counties are outlined in gray.
Lessons from the History of Quarantine, from Plague to Influenza A
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