Stanford researchers are among several groups examining whether wearable fitness devices such as the Fitbit or Apple Watch can provide an early warning. Snyder’s team enrolled 5,000 people in the study and studied historical smartwatch data from 31 users who tested positive for COVID-19.
Of those 31, 80 percent had data on their wearable devices that indicated infection at the time or before symptoms appeared. Wearable devices picked up the signals of infection early – at the time or before symptoms appeared – in an average of three days… More here.
We can’t be far off being able to take temperatures on a wrist device and with SP02 already there on many devices, this would not seem to be an unrealistic goal.