Lockdown until you can get back to containment (drive infection numbers so low that you have the resources to trace/test contacts and send possible infections i

Lockdown until you can get back to containment (drive infection numbers so low that you have the resources to trace/test contacts and send possible infections into quarantine). "Everyone becomes immune" will take longer than vaccine if you don't want to overload your hospitals, and bets on long-term immunity which we don't know yet.