A Hong Kong health code compatible with the version used in mainland China will officially be launched on December 10 as a prerequisite for resuming quarantine-free cross-border travel.The tracking feature of the mainland’s health code app has raised privacy concerns among Hong Kong residents, who fear similar issues with the city’s new system.The Post examines how the new health code – set to be used for Guangdong province and Macau only – will work and possible privacy issues arising from its…

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