In the United States, several cities and states have already implemented contact and tracking programs, an initiative that seeks to identify and isolate people infected with or who have been exposed to the coronavirus. The purpose, according to experts, is to contain the spread of the disease in order to resume economic activity.
How do coronavirus trackers work?
2020-06-12T23:19:39.379Z
In the United States, several cities and states have already implemented contact and tracking programs, an initiative that seeks to identify and isolate people infected or who have been exposed to ...