New Zealand: COVID-19 source of infections by source 2020

As of November 16, 2020, 43 percent of COVID-19 infection cases in New Zealand were contracted through contact with a person who had recently travelled overseas. Less than five percent of cases were attributed to locally acquired cases where the infection source was unknown.

Share of COVID-19 infections in New Zealand as of November 16, 2020, by infection source

Characteristic	Share of COVID-19 cases
Imported cases	43%
Imported related cases	24%
Locally acquired cases, epidemiologically linked	29%
Locally acquired cases, unknown source	4%

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Release date

November 2020

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Region

New Zealand

Survey time period

November 16, 2020

Supplementary notes

Imported cases: Cases with a reported history of international travel within 14 days of onset.

Imported related cases: Cases that have a reported link (close contact or epidemiological link) to an imported/overseas acquired case.

Locally acquired cases, epidemiologically linked: Cases that have a reported link (close contact or other epidemiological link) to a locally acquired case with unknown source. Locally acquired cases, unknown source: Cases that have no reported history of international travel within 14 days of onset and no recorded epidemiological link to a source case.

Source of infection remains under investigation whereby source of infection could not be classified due to incomplete EpiSurv case report forms. These cases are removed from further analyses in the sections below.

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