Safety fears as scientists make first viruses designed by AI
Scientists have made the first viruses designed by artificial intelligence in a milestone that raises hopes for new medicines but also concerns over how to ensure the technology remains safe. The viruses are specific kinds known as bacteriophages, which only infect bacteria and are used around the world to treat patients with persistent infections. In lab tests, a cocktail of the AI-designed viruses killed E coli bugs that were resistant to natural bacteriophages. Dr Brian Hie, a chemical engineer at Stanford Un…
Researchers used genome language models Evo1 and Evo2 trained on 2 million bacteriophage genomes to design functional bacteriophage genomes, and a cocktail of the resulting viruses killed E. coli strains resistant to natural phages in lab dishes.
The same ability to compose functioning viral genomes with generative AI raises urgent biosafety, biocontainment and biosecurity considerations, with commentators warning governance to safely steer the technology does not yet exist.
The approach was inefficient and limited to the simplest viral genomes, with only a small fraction of designs viable and applicability to more complex or human-infecting viruses unknown.
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- JournalismThe Guardian2026-08-06
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