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For mice, swapping fecal bacteria can mean life or death

Imagine a world where ‘eat shit’ isn’t an insult, but way to save your life. Pathogen microbiologist Brett Finlay of the University of British Columbia has shown that, in mice, resistance to a deadly e. coli-like bacterium depends on their gut microbes – and that those microbes can be swapped around by effectively feeding the mice each others’ feces.

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