Volume 8, Number 3—March 2002

Research

Associations between Indicators of Livestock Farming Intensity and Incidence of Human Shiga Toxin-Producing Escherichia Coli Infection

James E. Valcour, Pascal Michel†, Scott A. McEwen, and Jeffrey B. Wilson‡ 

Author affiliations: University of Guelph, Guelph, Ontario, Canada; †Université de Montréal, St-Hyacinthe, Québec, Canada; ‡University of Guelph, Guelph, Ontario, and Centre for Infectious Disease Prevention and Control, Health Canada, Ottawa, Ontario, Canada;

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Figure 2

Figure 2. Ratio of beef cattle to human population (number of animals per person), southern Ontario, 1996).

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