At the start of the pandemic, researchers and wearables makers rushed to see whether smartwatches and fitness trackers could detect covid-19. It’s now 2023, and while wearables show promise in detecting illnesses, there hasn’t been too much progress on the covid front. But even as most people start moving on with their lives, some wearable makers are still sifting through the data to see what can be learned from the past three years. Case in point: smart ring maker Oura just released a new study that found significant changes in its users’ biometrics up to 2.5 days before and 10 days after users reported a covid-19 infection.
The study, which was published in the peer-reviewed journal Digital Biomarkers, looked at 838 Oura members who…
