A teenage girl has tested positive to COVID-19 in Victoria after returning from Sydney's Northern Beaches - where there is a cluster of 91 cases. Victorian Health Minister Martin Folley said a 15-year-old girl from the Moonee Valley local government area in Melbourne's north-west tested positive to the disease on Monday. 'The young person had family connections to the Northern Beaches area and had been exposed to multiple high-risk exposure sites,' Mr Folley said on Tuesday. 'The Avalon RSL, the Avalon Bowling Club, the fish and chip shop that was listed. Quite a range. 'The young person travelled home from Sydney with their parent.