HONG KONG -- Residents traveling to the mainland will be required to use a COVID-19 health code linked to 21 days of data on places visited, under plans for reopening the city's border with China.
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Consumers scan QR codes with Hong Kong's LeaveHomeSafe COVID-19 contact tracing app at a restaurant. The app will be updated to include a mainland-style system. © Reuters
HONG KONG -- Residents traveling to the mainland will be required to use a COVID-19 health code linked to 21 days of data on places visited, under plans for reopening the city's border with China.