Can smartwatches help to diagnose cases of Covid-19? According to a couple of new studies, they can. The research applies to the Apple Watch and other wearables associated with heart-rate monitoring, as they might record the variations in this metric that might indicate the presence of the virus, even in asymptomatic patients.
https://www.notebookcheck.net/Smartwatches-may-be-able-to-help-diagnose-Covid-19-research-finds.515534.0.html