SINGAPORE -- From the early days of the coronavirus crisis, contact tracing has been a core element of Singapore's containment strategy. Now the city-state is raising its tracking game.
Coronavirus
Singapore's SafeEntry check-in system plugs holes in virus tracing
As economy reopens, officials rely on QR code scans at thousands of locations
Checking in will not be required at parks -- but it is still encouraged. (Photo by Kentaro Iwamoto)
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