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NHS England pauses AI project fed health data of 57m patients

The Observer

|

June 08, 2025

One of the biggest AI projects in the NHS has been paused after concerns were raised that it may have used the health records of 57 million people without the correct permissions.

- James Ball

Foresight, a project using Meta’s open-source AI model, Llama 2, was designed to “predict what happens next based on previous medical events” and fed with data from millions of patients’ records, stripped of identifying information and addresses. Experts have warned that even anonymised health records can retain enough information to make individuals identifiable. Meta gained no access to patient data.

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