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Coronavirus tracked: Live graphs of cases, deaths and spread of Covid-19 in New Zealand and the world

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The Covid-19 pandemic has rapidly swept the world. Cases continue to mount and the virus is still claiming lives.

On this page, the latest data on the pandemic is updated every day.

It includes detailed information on New Zealand’s case numbers, testing and comparisons with other countries.

New Zealand’s story

The first cases arrived in New Zealand late in February, and were confirmed in early March.

On March 21, Prime Minister Jacinda Ardern announced a four-step alert level system to respond to the virus. Two days later, she announced the country would move to the highest alert level on March 26. Restrictions eased to Level 3 on April 28 and then Level 2 on May 14.

Weeks into Alert Level 4, as numbers stopped climbing, it became clear the strategy was working. Active cases - the people still considered sick - have been on a downward trend since April 10.

Testing is widely acknowledged as a key building block in any plan to stop an epidemic.

When done right, and at scale, testing data can be an effective indicator of where a country’s curve is going and whether the measures in place are working.

New Zealand steadily increased its testing in the second half of March. The graph below shows the proportion of positive tests approaching zero, indicating success in stopping the spread of Covid-19.

New Zealand’s testing numbers also fare pretty well in comparison to other countries.

Covid-19 found its way into most parts of the country. In the latter stages of the outbreak, cases tended to be concentrated in New Zealand’s biggest population centres, notably the DHBs around Auckland.

Comparisons between countries are difficult. Each has its own set of challenges (and advantages) in addressing the pandemic.

But it’s clear New Zealand is not alone in having exerted some control over the virus. Other countries have also managed to flatten their curves.

Alongside Iceland, another island nation that benefited from physical isolation from the rest of the world, New Zealand has to date sustained a relatively low death toll, albeit with very different approaches.

Fatalities in New Zealand have all been among the most vulnerable 60+ age group.

Young adults, however, have been infected far more often, with a majority of those cases connected to international travel.

The global pandemic

Countries across Europe, Asia and the Americas have seen many tens of thousands of confirmed Covid-19 infections.

The chart below puts New Zealand’s outbreak in the global context. It uses a logarithmic scale on the Y-axis to allow for comparisons between growth curves.

The epidemic that started in China has changed epicentres more than once. From China, it moved on to ravage Italy, especially its northern region where most of the population lives.

By April, the United States became the hotspot. A third of the world’s coronavirus cases - and a quarter of the deaths - are in the US.

Featured illustration by Sungmi Kim

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