According to the study, published in the journal Annals of Internal Medicine, within two months of leaving the hospital, nearly seven per cent of the patients had died, including more than 10 per cent of the patients treated in an ICU.
Smartwatches offer people a private method for getting notifications about their surroundings -- such as a phone call, health alerts or an upcoming package delivery.
The study, published in the Journal of Clinical Investigation, however, also demonstrated that the immunity built up from previous non-SARS-CoV-2 coronavirus infections does not prevent individuals from getting Covid-19.