UnitedHealth Group is making a $3 billion investment in artificial intelligence technology, deploying AI tools across cybersecurity, claims review, fraud detection, and provider technology, with more than 80% of its 22,000 software engineers worldwide now using AI to write code. Patient advocate Grace Cordovano criticizes this rapid AI adoption as creating a war of algorithms with patients' lives in the middle. Meanwhile, the University of Southern Denmark has put on hold a proposed hepatitis B vaccine trial in Guinea-Bissau after the WHO deemed it unethical, despite the vaccine's 40-year safety record. The trial would have randomized babies to receive their first hepatitis B dose at birth versus the current standard of two months, ahead of Guinea-Bissau's planned 2028 adoption of birth-dose vaccination.
Aug 9, 2026 · 2 sources
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