Regrettably, most folks only are aware of EHEC strain of E. coli [0]. Other strains of E. coli are a workhorse in the lab and are harmless.
[0] https://www.hopkinsmedicine.org/health/conditions-and-diseas...
[0] https://www.hopkinsmedicine.org/health/conditions-and-diseas...
The best known strain in this category is O-157:H7.
Of course, I may have made some errors, my background is in biochem not microbio.
https://en.wikipedia.org/wiki/Shigatoxigenic_and_verotoxigen...