To end social distancing, the U.S. must dramatically ramp up contact tracing

How open will Americans be to having their movements tracked?

TraceTogether app

TraceTogether, an app used in Singapore, uses Bluetooth signals to log when two phones with the app are close for a certain period of time. That allows public health officials to alert people who have come into contact with someone with COVID-19, and urge them to self-isolate and prevent further disease spread.


This article is only available to Science News subscribers.

Subscribers, enter your e-mail address to access our archives.

Not a subscriber?

Science News is a nonprofit.

Support us by subscribing now.

More Stories from Science News on Health & Medicine

From the Nature Index

Paid Content