Smartwatches can detect signs of Covid19 before you do. New recent smart wrist wearable watches notwithstanding if it’s an Apple Watch, Fitbit, or another fitness tracker, might sense an early detection system for COVID-19, based on your heart rate variability (HRV). In a Mount Sinai study, researchers followed a group of 297 healthcare workers for roughly half a year and noted heartbeat changes that may indicate someone has the coronavirus, a full week before they feel sick. This would be particularly useful for asymptomatic people who can spread the virus and not appear or feel sick.
A close and related study by Stanford University of participants wearing trackers from Garmin, Fitbit, Apple and others found that 81 percent of patients testing positive for COVID-19 also saw changes in their resting heart rate up to nine and half days before presenting symptoms. Some companies are even planning dedicated wearables for clinical settings to help treat and monitor COVID-19.
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