Wrist-worn health trackers could spot Covid-19 before symptoms appear

Many of the latest health tracking wearables have added sensors to measure skin temperature, heart and breathing rates. These could be used to detect a coronavirus infection before symptoms, researchers say. — dpa

LONDON: Health trackers worn on the wrist could pick up Covid-19 days before symptoms even appear, research suggests.

The trackers monitor changes in skin temperature, heart and breathing rates and could be combined with artificial intelligence (AI) to offer a diagnosis, according to a new study.