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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E. coli is usually harmless. Its presence just shows that water has been probably contaminated with sewage water or sth similar, and that is why it makes us concerned
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