San Jose, Calif. – Theranos Inc. A former U.S. lab worker testified Wednesday that he raised the alarm about the blood-testing startup’s practices with coworkers, superiors and even a top executive and board member, but was rebuked at every turn. .
The testimony of a former employee, Erica Cheung, strengthened federal prosecutors’ case against Theranos founder Elizabeth Holmes, who is battling allegations that she defrauded patients and investors with promises that her technology could be used only by using a few drops. Can test for many health conditions. Blood from the prick of a finger.