Victoria will launch a series of new drive-in vaccination centres across Melbourne after recording 21 new locally acquired COVID-19 cases, almost half of them in the community while infectious.
Victoria's Chief Health Officer Brett Sutton says the lockdown's ongoing toll on children is "heartbreaking", as mystery COVID-19 cases threaten to further extend the shutdown.
Melbourne's lockdown will be extended by a week as Victoria records another 20 locally acquired coronavirus infections, including another five mystery cases.
Authorities have refused to rule out an extension to Victoria's lockdown, as the state recorded 20 new COVID-19 cases and young people rushed to get vaccinated.
Victoria has recorded 11 new locally acquired COVID-19 cases. Health officials say all are linked to previously reported cases although they were not in quarantine while infectious.
Victoria is in a "precarious position" on the first full day of its sixth lockdown, as authorities race to suppress two separate outbreaks of the Delta coronavirus variant.
Victoria has reported six new local COVID-19 cases, including a Melbourne teacher who may have been infectious in the community for a week and a suburban footballer.