Long COVID affects twice as many Americans as official counts show, new AI study finds

A new artificial intelligence study published last week in JAMA Network Open has found that roughly one in six Americans who contracted COVID-19 developed long COVID, more than double the rate captured by current federal surveillance.

Long COVID affects twice as many Americans as official counts show, new AI study finds. A new artificial intelligence study published last week in JAMA Network Open has found that roughly one in six Americans who contracted COVID-19 developed long COVID, more than double the rate captured by current federal surveillance. The findings, led by researchers at Mass General Brigham, lay bare a public health crisis hiding in plain sight, one systematically obscured by the very diagnostic tools that health systems and policymakers rely upon to track it. The research team deployed a precision-phenotyping algorithm called P2RC across the electronic health records of 457,950 patients at 58 hospitals in four U.S. regions. Rather than relying on a single billing code, the standard but deeply inadequate ICD designation for post-COVID conditions, the A...