South Australia's number of active COVID-19 infections has jumped to eight with three new cases reported on Wednesday.
SA Health says a man in his 30s, a man in his 50s and a child have all tested positive after recently returning from overseas.
They remain in a quarantine hotel in Adelaide.
All of SA's eight active cases were acquired overseas.
The state has now had a total of 575 cases since the start of the pandemic.
