The new cases in Australia are slowing. The ability to source trace new cases has not be overwhelmed. So it is definitely possible to eliminate the virus locally in Australia. I believe that is exactly what should be done. Then the problem would be keeping the Covid-19 virus from entering Australia again, or at least quickly eradicating any virus that does enter.
It appears that the current restrictions are at least 80% effective in reducing viral infections. The apparent-R0 is currently 0.44 instead of the usually quoted figure of 2.2 new infected persons per infected person.
New Zealand isn’t just flattening the curve. It’s squashing it. It took only 10 days for signs that the approach there is working. The Washington Post.
Let's do what New Zealand is doing.