Unverified50% confidenceEventExact time

In 2015, Wall Street Journal reporter John Carreyrou exposed serious technical flaws at Theranos through an investigative report, pointing out that most of its device's tests actually used third-party commercial instruments and that the results were unreliable.

1

Sources

50%

Confidence

Long-term

Relevance

10/23/2026

First Seen

Sources

Biotech World: You Can't See Everything

Related Entities

John Carreyrouperson 华尔街日报company Theranoscompany

Related Claims

UnverifiedIn the absence of official data, accessory manufacturers need to purchase actual devices, measure them with calipers, or use 3D scanning to reproduce device dimensions—a process that is costly, time-consuming, and prone to error.53% similar

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