// Hacker Noon · 16 March 2026

A New Privacy-First AI Predicts COVID Severity Using X-Rays and Medical Records

Researchers built EXAM, a global AI model that predicts COVID-19 patients’ oxygen needs within 24–72 hours using chest X-rays and medical records. Instead of pooling sensitive hospital data, the team used federated learning, letting 20 hospitals train the model locally while sharing only model updat...

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