Repeat quarantine breaches show the only way to prevent damaging lockdowns is slamming the international border shut to returning travellers with no exceptions.
In December, I wrote that returning international travellers were the equivalent of potential biological terrorists.
This provoked a strong reaction, both for and against, from right-wing and left-wing groups.
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Andrew Mohl was a senior economist at the RBA and group chief economist at ANZ Bank, before becoming CEO of AMP and an independent non-executive director of Commonwealth Bank.
