Hong Kong is set to introduce a tiered health-code system similar to what was used in mainland China to facilitate a reduction in its deeply unpopular mandatory hotel quarantine.
The new rules, which come into effect on Friday, will mean arrivals at Hong Kong's international airport must spend three days in hotel quarantine — down from seven. If they don't test positive for COVID - 19, they will undergo four days of health monitoring, underpinned by a yellow health code that restricts entry into a raft of high-risk places. Anyone infected with the virus will receive a red code that means they must isolate themselves.
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