Letters | Coronavirus in Hong Kong: why has quarantine period remained 14 days?

Hong Kong probably has the most (and best) data worldwide from the hundreds of thousands of arrivals at the airport who have all been tested, quarantined and monitored. Surely we must now know how many people tested negative on arrival but were subsequently infected, after the second, third, fourth or more days.
Hong Kong should be in a position to accurately assess the risk of reducing the quarantine period to five, seven, 10 or 12 days, or even the need to extend it. Now is a good time to make decisions based on acceptable risk levels rather than taking the safe option of eliminating any level of risk, otherwise we will never make progress.
If the risk is immaterial after a certain number of days, let’s make the changes and let Hong Kong lead the world based on facts and not unproven guesses.
Mike Bishop, Clear Water Bay
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