Earlier quoted context omitted.
There is absolutely no question that SK's strict prevention measures are the cause of that. They were very strict from day one, no doubt because they were hit hard by SARS-CoV-1.
Really? "no question"? Aren't they also much healthier than, for instance, Americans? 50% of Americans are pre-diabetic, so I've heard recently.
South Korea is 329.92 per 100,000 people
California is 9,712.28 per 100,000 people
France is 9,002.09 per 100,000 people
England is 8,004.18 per 100,000 people
Finland is 1,772.60 per 100,000 people
Taiwan, which also was hit hard by SARS... 64.13 per 100,000 people.
These people have already been through respiratory epidemics in their lifetime, and they were prepared.