For the purpose of justifying its recent restrictions on Chinese tourists, South Korea has released some startling Covid figures.

On Tuesday, South Korea responded to criticism that its Covid limitations for Chinese tourists amount to "discrimination" by noting that more than half of its imported cases originate in China. Deputy head of the Korea Disease Control and Prevention Agency Seung-ho Choi told CNBC that up to 80% of "imported confirmed cases" in South Korea originate in China. There was a 14-fold increase, according to Choi, in the number of ....