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Maybe so, but how does that explain how E. coli outbreaks on lettuce? From what I understand the waste from animal farms run off into waterways that feed the vegetable farms.



Looking into this, it's hard to say since there are contamination issues at every point between preharvest and the moment you put it into your mouth: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6899298/

It doesn't seem to rank the causes it lists, but googling it suggests widespread contamination caused by fecal matter runoff from animal ag finding its way into irrigation water.


Field workers who don't get bathroom breaks.


Rabbits? It's not exactly easy ensure there are no animals across thousands of square miles of farmland.




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