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Coronavirus: tech data shows how we curbed travel to flatten curve

Data harvested by tech giants Google and Apple has illustrated the sharp impact of coronavirus containment measures.

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Data harvested by tech giants Google and Apple has illustrated in stark detail the sharp impact of coronavirus containment measures across the country, with the information showing just how effect­ive measures to limit movement have been.

Australia’s Chief Medical Officer Brendan Murphy released new information on Friday showing the dramatic changes in the way people across the nation had changed their behaviour during the outbreak.

The data shows a 60 per cent-plus fall in searches for driving directio­ns through Apple tech­nology in NSW, reflecting what Professor Murphy said was the success of the restrictions introduced in the state.

“This is showing how well people have adhered to our measures that we’ve put in place,” he said. “You can see some little spikes around Easter time but, generally, people are doing the right thing.”

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Data from Google shows similar trends. Google inform­ation shows that time spent by people in transit stations fell as much as 80 per cent in the wake of various measures aimed at limiting gatherings and restricting movement, with the data also pointing to an inverse rise in the amount of time spent at home.

While the uptake of the govern­ment’s COVIDSafe app has been slowed by concerns about privacy and the safety of data, the data highlighted by the professor shows that Australians have few concerns about giving away that same data to tech giants.

It was a point not lost on Professo­r Murphy, who again called for more Australians to sign up to COVIDSafe.

“Google does track people, the COVIDSafe app doesn’t,” he said.

The data has been compiled by the Peter Doherty Institute for Infection and Immunity, which will release a report on Monday detailing similar measures for other states. The latest update came as Australia continued to make progress in tackling the virus.

Just 16 new cases were confirmed nationwide in the 24 hours before Friday’s update, continuing the flattening of the curve.

Australia’s success means bureaucrats have the very welcome problem of not having sufficient data to run their modelling.

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Professor Murphy said NSW and Tasmania were now the only two states that had a statistically significant volume of cases to warrant modelling of the virus’s effect­ive reproduction rate number — a figure that illustrates the pace at which the virus spreads to other people.

Figures out of the ACT and the Northern Territory fell below the required threshold last week, and almost every other state has now dropped below that level.

“The case numbers in every other jurisdiction are so small that the modellers feel that they can’t usefully use the effective reprod­uction number,’’ he said.

“Those error margins are so broad in the other jurisdictions that the modellers aren’t comfortable with producing it,

“Only in NSW and Tasmania are there enough numbers to show an effective reproduction number. And even then, they’re pretty much at the lower limit of what you would expect.”

The reproduction number in Tasmania has now fallen below the benchmark of one, at which the virus diminishes.

Read related topics:Coronavirus
Paul Garvey
Paul GarveySenior Reporter

Paul Garvey is an award-winning journalist with more than two decades' experience in newsrooms around Australia and the world. He is currently the senior reporter in The Australian’s WA bureau, covering politics, courts, billionaires and everything in between. He has previously written for The Wall Street Journal in New York, The Australian Financial Review in Melbourne, and for The Australian from Hong Kong before returning to his native Perth. He was the WA Journalist of the Year in 2024 and is a two-time winner of The Beck Prize for political journalism.

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Original URL: https://www.theaustralian.com.au/nation/coronavirus-tech-data-shows-how-we-curbed-travel-to-flatten-curve/news-story/000c1c905d475cb310b2d607a9001683