Victoria has added 64 new COVID-19 infections to its caseload, 28 of them involving community exposure. Health authorities say 49 of the cases are linked to current outbreaks and 36 were in quarantine throughout their infectious period. The state now has more than 700 active cases. Victoria managed to administer 35,753 vaccine doses in the 24 hours to Friday evening and conducted 55,333 tests for the virus during the same period. Authorities are meanwhile refusing to be drawn on whether a lockdown extension for the state is a foregone conclusion, as cases remain stubbornly high. Its sixth lockdown, which was initially announced for seven days, is scheduled to end on Sept. 2. However, it appears increasingly likely to be extended again given the high number of mystery cases and people infectious in the community. Health Minister Martin Foley said on Friday it was too early for officials to make a call …