Delta

Coronavirus is back as Covid-19 continues to emulate a fast running invasive mammal biosecurity incursion.

On August 17 2021 the New Zealand Government announced that an infection of the Delta variant of the SARS‑CoV‑2 virus had been positively identified in the community.  As a result, the whole country immediately moved from the least restrictive Level 1 Covid-19 alert level to the most restrictive Level 4 lockdown.

​This event occurred almost 18 months after the virus had been first detected in New Zealand in late February 2020.  New Zealand’s swift and decisive action to suppress coronavirus through the autumn of 2020 resulted in its successful eradication from the country.  Over the ensuing months positive cases of infection were continuously detected at the border and these were mostly successfully controlled by the Managed Isolation and Quarantine system designed to reinforce the country’s closed international border.

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