Sensor tech can alert wearer to Covid early, helping to prevent onward transmission
Health trackers worn on the wrist could be used to spot Covid-19 days before any symptoms appear, according to researchers.
Growing numbers of people worldwide use the devices to monitor changes in skin temperature, heart and breathing rates. Now a new study shows that this data could be combined with artificial intelligence (AI) to diagnose Covid-19 even before the first tell-tale signs of the disease appear.
