The Korea Center for Disease Control and Prevention said it's trying to understand why the patients retested positive for COVID-19 despite previous negative tests.
I'm sure you see why a graph of just Denver is suspicious. It strongly suggests that the rest of the country saw a smaller second hump or no second hump at all, so the graph makers had to exclude it.
Beat me to it. It's really egregious how many disingenuously flawed graphs (one even suggesting that the death rate passed up heart disease!) and faulty mathematical models (dY/dt=kY) there are floating around. This is why education is important because ignorance is placing blind trust in the media (whose narrative of fear helps to glue more eyeballs). There's plenty of indications we've already hit the inflection point:
From the very article you linked (did you actually read it?): "'At the moment, we think there is no danger of further secondary or tertiary transmission,' Kwon said." We had 8 new cases today, and 6 were from Americans/Europeans entering the country. Given that I lived in Korea for two years and have a fair amount of friends and family there, I am a bit familiar with their situation.