Right now, if you fly to Hong Kong, you’ll have to turn over your saliva. That is, if you’re already a resident. If not, you can’t come in at all.
The saliva, of course, is for a coronavirus test, one of the measures the Hong Kong government has adopted — including banning non-residents from entry, and giving tracking bracelets tied to an app to those arrivals who are allowed in — to try to control a small wave of new coronavirus cases that arose in recent weeks.
Hong Kong isn’t the only place in Asia that did a good job controlling its initial coronavirus outbreak only to see a resurgence of coronavirus cases. Singapore and Taiwan were both seen as examples of how to handle the coronavirus outbreak: stanching the growth of infections, while largely keeping their economies open.