21 April 2021 - The fear of Covid-19 catapulted symptom checkers from the periphery of public attention to the center.
Wearables like the Apple Watch, Fitbit, and Oura Ring have shown promise as COVID-19 early-warning systems, while apps like MyCovidRisk let you enter your location and other factors for a quick estimate of your odds of infection.
But the deserved praise for these devices shouldn’t obscure a troubling underside of health-related apps.