Has the Delta variant curbed the effectiveness of lockdowns in ‘zero coronavirus’ economies like Australia and Hong Kong?


Each time Covid-19 has flared up, Australia’s major cities have used strict lockdowns to battle cases back down to zero. As the pandemic wreaked havoc elsewhere, the country’s “zero Covid” approach prevented deaths and major disruption to everyday life for much of the past 18 months.The Delta variant is now challenging the effectiveness of that approach like never before, as outbreaks linked to the mutant strain in three state capitals have some experts deliberating whether elimination is no…

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