eli5 why does E-coli is in our digestive system even though it’s dangerous

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Okay so of course everyone know what E-coli is, it’s a bacteria that can cause food poisoning. But a few years ago in biology class I realized it’s also a microbe in our gut system. So how does something that’s dangerous live inside our gut without affecting us?

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Anonymous 0 Comments

It’s mostly harmless. E Coli is all over the place, you ingest it regularly. Only some strains of it, mostly from cattle, IIRC, are dangerous.

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