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AI-Designed Phages Kill Resistant E. coli, Raise Bioweapon Fears

8/7/2026

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Summary

Story summary

Stanford and Arc Institute researchers used AI model Evo to create 16 novel *E. coli* bacteriophages, reported in *Science*.
From about 300 AI-designed genomes, 16 proved viable and killed antibiotic-resistant *E. coli*.
Authors say the phages could enable custom therapies while biosecurity leaders Thomas Inglesby and Moritz Hanke warn AI could craft bioweapons and urge bans.

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Story summary

Stanford and Arc Institute researchers used AI model Evo to create 16 novel *E. coli* bacteriophages, reported in *Science*.
From about 300 AI-designed genomes, 16 proved viable and killed antibiotic-resistant *E. coli*.
Authors say the phages could enable custom therapies while biosecurity leaders Thomas Inglesby and Moritz Hanke warn AI could craft bioweapons and urge bans.