That Australia has gone from escaping the clutches of COVID-19 only to find itself putting millions in lockdown as a result of the Delta virus variant has resulted in its troubled vaccine rollout being dubbed one of the worst policy failures of recent memory.

Here, Dr Paul Nisselle explains the source of his unhappiness.

Australia is an island nation of about 25 million people. We initially used our geographic isolation to our advantage in managing the COVID 19 pandemic.

But in recent months, Australia has mismanaged it monumentally, with GPs stuck in the middle of this winter of discontent.