Emerging Infectious Disease ISSN: 1080-6059
Volume 8, Number 3—March 2002
Research
Associations between Indicators of Livestock Farming Intensity and Incidence of Human Shiga Toxin-Producing Escherichia Coli Infection
Figure 3

Figure 3. Total number of cattle per square kilometers, southern Ontario, 1996.
Lessons from the History of Quarantine, from Plague to Influenza A
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