South Australians return home after COVID-19 exposure in Melbourne Two of three South Australians deemed "close contacts" of coronavirus cases who attended a Melbourne AFL game have returned home. South Australia's Chief Health Officer Professor Nicola Spurrier said three South Australians have been deemed close contacts of COVID-19 cases from the AFL Port Adelaide-Collingwood match at the MCG over the weekend. One of those South Australians has remained in Victoria and will quarantine there, while the other two, who have returned to their home state, are being "urgently re-tested". READ MORE: Essendon players acknowledges their fans after the round 10 AFL match between the Essendon Bombers and the North Melbourne Kangaroos at Marvel Stadium.(Getty)