Victoria has reported nine new local cases of COVID-19 as authorities remain confident there is no large unknown outbreak of the Delta variant. Eleven infections have been detected in the 24 hours to midnight on June 6, although two were already reported by aged care operator Arcare. The Arcare Maidstone outbreak has grown to six cases after another resident and a registered nurse tested positive.  The 79-year-old resident, who had both doses of the Pfizer vaccine, was moved to hospital as a precaution. A first dose had been given to the registered nurse, who last worked at the nursing home on June 5. “The staff member had not worked at other facilities,” the Department of Health said. There were 24,265 test results received and 17,719 vaccine doses administered on June 6 as Melbourne spent its second weekend in lockdown. It is unclear whether the latest glut of cases will dent the city’s hopes of …