1. World Health Organization. Food Safety Fact Sheet. (2022). https://www.who.int/news-room/fact-sheets/detail/food-safety.
2. WHO estimates of the global burden of foodborne diseases. Foodborne diseases burden epidemiology reference group 2007- 2015http: //www.who.int/foodsafety/publications/foodborne_disease/fergreport/ en/,2015
3. Variation in virulence among clades of Escherichia coli O157:H7 associated with disease outbreaks;Manning SD;Proc Natl Acad Sci U S A,2008
4. Predicting the presence of non-O157 Shiga toxin-producing Escherichia coli in ground beef by using molecular tests for Shiga toxins, intimin, and O serogroups;Bosilevac JM;Appl Environ Microbiol,2012
5. Strategies for the detection of Escherichia coli O157:H7 in foods;Deisingh AK;J Appl Microbiol,2004