They’ve Contained the Coronavirus. Here’s How.

Since identifying the first infections (all imported) on their territories — on Jan. 21 in Taiwan and on Jan. 23 in both Hong Kong and Singapore — all three governments have implemented some combination of measures to (1) reduce the arrival of new cases into the community (travel restrictions), (2) specifically prevent possible transmission between known cases and the local population (quarantines) and (3) generally suppress silent transmission in the community by reducing contact between individuals (self-isolation, social distancing, heightened hygiene). But each has had a different approach.