Escherichia coli O157:H7 is a specific pathogenic strain capable of causing severe illness in humans, characterized by symptoms such as abdominal cramps and diarrhea. This infection typically originates from consuming contaminated food or water, with raw vegetables and undercooked meat being common culprits. During the ${}1990$s, there were several significant outbreaks of this strain that were traced back to undercooked hamburgers.