The shelving of the keenly-anticipated Hong Kong-Singapore travel bubble shows just how delicate the process of reopening borders is — even for places that have largely contained the coronavirus.
The cities’ virus outbreaks are far less intense than in places such as the United States and Europe, but a recent uptick in cases in Hong Kong proved enough to delay the start of the air corridor between the two financial hubs by two weeks, dashing the plans of those who booked flights that were due to begin on Sunday.
The bubble between Hong Kong and Singapore was…
