Some Australian states are experiencing an unprecedented influenza outbreak, with Victoria among the worst hit.   The state's Department of Health says the epidemic may have reached its peak.   Influenza rates are at a near-record level in Victoria, with over 13-thousand people tested this year.   That's up from just over 8-thousand cases in the same period last year.   (Some Australian states are experiencing an unprecedented influenza outbreak, with Victoria among the worst hit.   The state's Department of Health says the epidemic may have reached its peak.   Influenza rates are at a near-record level in Victoria, with over 13-thousand people tested this year.   That's up from just over 8-thousand cases in the same period last year.  )