Resources

• E. coli: Good, Bad, & Deadly (FAQ).  An introductory course from the American Academy of Microbiology.
• Escherichia Coli O157:H7: Animal Reservoir and Sources of Human Infection. Witold A. Ferens, Carolyn J Hovde. Foodborne Pathogens and DIsease. April 2011, 8(4): 465-487. Link 
• GAO Report March 2012 - Preslaughter Interventions Could Reduce E coli in Cattle
• USDA - Licensing of Vaccines as Preharvest Food Safety Interventions. May 2, 2012.