SA plunged into snap lockdown after recording five cases of COVID-19 South Australia will enter a seven-day lockdown after recording two new cases of COVID-19 on Tuesday morning raising the state’s locally acquired infections to five. Brianna McKeeDigital Reporter July 20, 2021 - 11:12AM South Australia will be forced into a week-long lockdown starting at 6pm on Tuesday after recording five cases of COVID-19. The harsh new restrictions will be introduced to stem a Delta outbreak in Modbury with the state government unveiling a rapidly increasing number of COVID-19 exposure sites South Australian Premier Steven Marshall announced the news after the state reported two new cases of community transmission bringing the state’s case total to five.