STAT August 4, 2020
With Covid-19 cases again climbing, health tech companies and researchers are renewing their pitch for wearables and apps as a cutting-edge way to catch new cases and detect when patients are growing sicker.
The flood of tech tools — and the marketing machinery playing up their potential — promises to give users more timely information and fill key gaps in testing and tracing cases. But it is not altogether certain that these devices will benefit patients. It’s not just a basic question of whether a device or algorithm is accurate, health technology experts say, but whether the information provided is actually helpful in delivering better care or stemming the spread of the virus.
It is easy to take an off-the-shelf...
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