Articles in The Oz, SMH, etc expose IdM.
At one extreme, compliant household in self-imposed quarantine, but not ill, only marked as contacts, wait for days to get call back about meds and supplies. Eventually tests are negative.
At other extreme, sick person roams around, even interstate or o/s, while authorities try to contact him.
With a national IdM system, flags could be set to pick up card transactions, even mbl locations.
