UnitedHealth Group said 190 million people were affected by last year's cyberattack. That's about 55% of the country's population and more than doubles the previous record.

Longitude Health, a recently formed innovation consortium of four major health systems, has named Brett Moraski interim CEO following the death of founding CEO Paul Mango.

Paul Mango, who helped launch health system-backed Longitude Health last year, died last week. Brett Moraski will serve as ...