A steady stream of COVID-19 cases in Singapore has been seen in recent months, but unlike in many other advanced economies, incidence has decreased dramatically: since January, community cases have ranged from zero to four daily, and infection cases in travellers have averaged in the low teens ̶ all of which being detected at testing on arrival and during quarantine.
For a highly urbanized parliamentary democracy of 5.5 million people and a population density of 8,136 per square kilometre (third...