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E. Coli contamination in produce: the rising concern for consumers

E. Coli contamination in produce: the rising concern for consumers. Jessica Strauch Walden University August 2, 2011. Learning outcomes. E. coli Basic Introduction Illnesses that are caused E. coli in Produce How contamination occurs Commonly affected foods Recent outbreaks

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E. Coli contamination in produce: the rising concern for consumers

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  1. E. Coli contamination in produce: the rising concernfor consumers Jessica Strauch Walden University August 2, 2011

  2. Learning outcomes • E. coli • Basic Introduction • Illnesses that are caused • E. coli in Produce • How contamination occurs • Commonly affected foods • Recent outbreaks • How to Avoid Illness

  3. Introduction to e. coli • Bacteria found in intestines of humans and animals • Two toxic strains: E. Coli O157:H7 and E. Coli O104:H4

  4. Illness caused by outbreaks • Estimated 73,000 cases of illness yearly • 60 deaths • Common symptoms include: • Mild to severe diarrhea • Abdominal cramping • Blood in the stools • Severe symptoms include: • Kidney failure • Damaged red blood cells

  5. e. Coli contamination of produce

  6. Produce commonly affected • Sprouts • Alfalfa • Bean • Lettuce • Spinach

  7. Outbreak – germany 2011 • Caused by E. coli O104:H4 • Due to contamination of raw bean sprouts • 852 cases of hemolytic uremic syndrome • 32 deaths Center for Disease Control. (2011). Investigation Update: Outbreak of Shiga toxin-producing E. coli O104 (STEC O104:H4) Infections Associated with Travel to Germany. Retrieved from: http://www.cdc.gov/ecoli/2011/ecolio104/.

  8. Outbreak – united states 2010 • Caused by E. coli O145 • Due to contamination of shredded romaine lettuce • 26 known cases; 7 probable • 0 deaths Center for Disease Control. (2010). Investigation Update: Multistate Outbreak of Human E. coli O145 Infections Linked to Shredded Romaine Lettuce from a Single Processing Facility. Retrieved from: http://www.cdc.gov/ecoli/2010/ecoli_o145/index.html.

  9. Outbreak – united states 2006 • Caused by E. coli O157:H7 • Due to contamination of raw spinach • 199 reported cases • 3 deaths Center for Disease Control. (2006). Update on Multi-State Outbreak of E. coli O157:H7 Infections From Fresh Spinach, October 6, 2006. Retrieved from: http://www.cdc.gov/foodborne/ecolispinach/100606.htm.

  10. Prevention measures • While grocery shopping: • Purchase only the freshest looking produce • Check the smell • Keep meat and produce separate • At home: • Store in refrigerator promptly • Always keep covered • Wash before using • Throw away anything questionable

  11. conclusions • Toxic strains: E. coli O157:H7 and E. coli O104:H4 • At risk populations: children, pregnant women, the elderly • Produce contamination caused by cattle farms • 2011 outbreak in Germany deadliest in history • Consumer prevention relies on measures taken in the store and at home

  12. references Center for Disease Control. (2006a). Questions & answers: sickness caused by E. coli. Retrieved from: http://www.cdc.gov/ecoli/qa_ecoli_sickness.htm. Center for Disease Control. (2006b). Update on Multi-State Outbreak of E. coli O157:H7 Infections From Fresh Spinach, October 6, 2006. Retrieved from: http://www.cdc.gov/foodborne/ecolispinach/100606.htm. Center for Disease Control. (2010). Investigation Update: Multistate Outbreak of Human E. coli O145 Infections Linked to Shredded Romaine Lettuce from a Single Processing Facility. Retrieved from: http://www.cdc.gov/ecoli/2010/ecoli_o145/index.html. Center for Disease Control. (2011). Investigation Update: Outbreak of Shiga toxin-producing E. coli O104 (STEC O104:H4) Infections Associated with Travel to Germany. Retrieved from: http://www.cdc.gov/ecoli/2011/ecolio104/.

  13. references Davis, J.G. & Kendall, P. (2005). Preventing E. coli from garden to plate. Retrieved from: http://www.ext.colostate.edu/pubs/foodnut/09369.html. Organic Trade Association. (2011). E. coli facts. Retrieved from: http://www.ota.com/organix/foodsafety/ecoli.html?printable=1. Scott, V.N. & Stevenson, K.E. (2006). HACCP: A Systematic Approach to Food Safety (4th ed.). Washington, D.C., Grocery Manufacturers Association. Washington State Department of Health. (2011). E. coli. Retrieved from: http://www.doh.wa.gov/ehsphl/factsheet/ecoli.htm.

  14. Further reading • For medical/biological information regarding E. coli: Berg, H.C. (2004). E. coli in Motion. New York: Springer Press. • For information regarding E. coli and current worldwide outbreaks visit: Center for Disease Control. (2011). E. coli. Retrieved from: http://www.cdc.gov/ecoli/. • For outbreaks and consumer resources: Marler Clark. (2011). About E. coli. Retrieved from: http://www.bout-ecoli.com.

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