7 deaths and hundreds of injuries are linked to faulty Abbott glucose monitors

Abbott Diabetes Care has warned of faulty glucose readings on some of its devices, potentially linked to seven deaths and hundreds more serious injuries.

Some 3 million of the company's FreeStyle Libre 3 and FreeStyle Libre 3 Plus sensors were affected by the issue that was determined by internal testing to have resulted on a single production line. About 1.5 million of those devices are estimated to have expired or been used, Abbott said.

In a press release, the company said "internal testing determined that some sensors may provide incorrect low glucose readings." Customers who confirm their device is affected "should immediately discontinue use and dispose of it," Abbott said.

"If undetected, incorrect low glucose readings over an extended period may lead to incorrect treatment dec