You are wrong about South Korea. Their testing has been incredibly effective from the beginning, patient 31 in South Korea had no known contact and was told to

You are wrong about South Korea. Their testing has been incredibly effective from the beginning, patient 31 in South Korea had no known contact and was told to take a CV test by her doctors, but didn't take the advice until a 2 days later. https://graphics.reuters.com/CHINA-HEALTH-SOUTHKOREA-CLUSTERS/0100B5G33SB/index.html https://graphics.reuters.com/CHINA-HEALTH-SOUTHKOREA-CLUSTER...