[willyt]

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-CLUSTER...

[makomk]

Patient 31 was told to take a test despite not meeting the criteria because her doctors had a hunch, as I understand it.