Coronavirus Contact-Tracing Apps: Can They Slow the Spread of COVID-19?

May 19, 2020

(Nature) – As the global fight against the COVID-19 pandemic continues, much of the world is pinning its hopes of easing lockdowns on being able to quickly identify people who might have been exposed to the virus. But such ‘contact tracing’ is generally a laborious, slow process that relies on in-person interviews and detective work. Enter the smartphone: a new breed of app aims to automate the process of retracing a person’s movements to find people they might have infected — and possibly notify those people at the earliest possible stage.