New Zealand's COVID-19 elimination strategy and mortality patterns Stacey Kung; Thomas Hills; Nethmi Kearns; Richard Beasley
No Abstract
In 2020, New Zealand adopted an elimination strategy using a wide range of public health interventions in response to the COVID-19 pandemic. This approach successfully eliminated COVID-19, resulted in an 11% reduction in all-cause mortality over a 30-week period in 2020, and enabled the country to ease restrictions by late 2020.
In 2020, there was a negative excess mortality with 439·4 fewer deaths per million, potentially due to several factors including the elimination of COVID-19, markedly reduced burden of influenza and other respiratory viruses, and fewer deaths from road traffic accidents, occupational causes, air pollution, and post-surgical complications.
total mortality during the pandemic was reduced in 2020 and 2021, and then increased in 2022, leading to a modest increase in all-cause mortality during the 3-year period of the pandemic. The excess mortality observed in 2022 appears to have been largely driven by deaths attributable to COVID-19 after widespread SARS-CoV-2 transmission, suggesting that there has not been a substantive rebound in deaths from non-COVID-19-attributable causes
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