There’s been an upsurge in people who have had it once getting it again in S Korea over hundred cases last SundayThe alternative is the test, contract trace and isolate plan that South Korea have already implemented.
The task is to keep Re below 1, so if as soon as people feel ill, they are tested and isolated if they test positive, all those they have been within 6 feet of in the previous 4 days are traced and tested (unless they are recorded as already having it) and anyone who tests positive is isolated and again their contacts are traced and tested.
It needs a small army to manage it but it's cheaper than locking down the entire economy., the technology exist to make it work, it just needs to be competently deployed in then next few weeks.
If a location, a city or part of a city has an outbreak it gets locked down for 2 weeks.
That is a plan that allows a country to get back up and running but it still leaves going to football as a risky activity that many might decide to avoid altogether for now.
They are also questioning the standards of some of the testing