In January the South Koreans tested 100 people with symptoms and 100 without.
Infection levels were almost identical.
The S. Korean government listened to the Public Health officials who understood immediately that Find Test Trace and Isolate was the most important tool to control the virus. And acted accordingly.
It's October. The U.K. government still haven't.
Check out S. Korea's numbers compared to ours.
Check out their economy.
Check out what restrictions they're living under.
Then maybe you'll understand why people like me having been banging on about TTI and aiming for Zero Covid for 8 months now.
The sooner we all learn the sooner we get our lives back.