Careful. Remember, it only counts as a case if it's detected, and South Korea-style contact tracing is a lot less capable of detecting small clusters that have

Careful. Remember, it only counts as a case if it's detected, and South Korea-style contact tracing is a lot less capable of detecting small clusters that have split off from each other due to the people tying them together no longer testing positive than they are large clusters involving the same people going to the same church or office with attendance-tracking on a regular basis.