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Home / New Zealand

Covid 19 coronavirus: New app might detect virus before symptoms show

Emma Russell
By Emma Russell
Multimedia Journalist·NZ Herald·
4 Jun, 2020 05:00 PM4 mins to read

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There have been 13 days in a row of no new Covid-19 cases and Director-General of Health Ashley Bloomfield says New Zealand is the envy of many other countries.

A new "game changing" app released worldwide today aims to detect whether someone has Covid-19 before they develop symptoms.

The app- dubbed ëlarm - has been created in New Zealand and Act leader David Seymour plans to push for Government support in Parliament next week.

"It's an absolute game-changer and totally unexpected. This is something the Government should have been supporting since day one."

Paul O'Connor, founding director of Datamine, the company that created the app, said the aim of the app is to overcome one of the greatest obstacles to protecting our communities from the virus – that it's spread by people who don't know they're infected.

Paul O'Connor, founding director of Datamine, the company that created the app. Photo / Supplied
Paul O'Connor, founding director of Datamine, the company that created the app. Photo / Supplied
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"Covid-19 puts a viral load on the body three or four days before any external symptoms kick in, which means the body is in distress before you know it.

"Unknowingly a person could be infecting their vulnerable loved ones, and many others they come into contact with."

How does the app work?

The app only works with a wearable device such as a Fitbit, an Apple watch or similar.

Through the device, the app measures several indicators - such as resting heart rate, active heart rate, heart rate variability, recovery rates, oxygen saturation and body temperature - and records any changes.

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From each individual device, the data flows to ëlarm's clinically developed models to identify the likely early stages of a Covid-19 infection, which could be days before the person knows they are sick.

If symptoms match the early stages of a Covid 19 infection, the user is alerted and further health checks are recommended, in line with World Health Organisation guidelines. The app does not provide treatment suggestions.

Act leader David Seymour plans to push for the Government to support the app. Photo / File
Act leader David Seymour plans to push for the Government to support the app. Photo / File

"Our research shows that wearables are able to predict Covid-19 up to three days before a person develops noticeable symptoms such as fever, fatigue and breathing difficulties – with over 90 per cent accuracy," O'Connor said.

But does it have medical backing?

O'Connor told the Herald his team had been working with dozens of clinicians from Australia, the United States, the United Kingdom, Canada and New Zealand to build models that analyse a person's health data to detect hidden symptoms of the virus.

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Top epidemiologist Michael Baker said from an infectious diseases perspective the app had great potential to make a real difference, not just for Covid-19 but other infectious diseases too.

Professor Michael Baker, epidemiologist at the University of Otago Wellington's Department of Public Health. Photo / File
Professor Michael Baker, epidemiologist at the University of Otago Wellington's Department of Public Health. Photo / File

He said he wasn't aware of any other technology like it and it was great step for New Zealand, and we should be encouraging innovative technology like this.

Though, he said it was still early days.

"Conceptionally the app has a role, it just hasn't had the field testing yet to see how it works in practice."

At this stage, Baker said the benefits would likely have more impact overseas where Covid-19 was still spreading rapidly.

"With Covid in New Zealand in the future one of the areas which is going to become increasingly important is monitoring the people in quarantine and people crossing the borders.

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"This is where this technology might be useful and might issue people with devices if they don't already have them, that can allow this app to monitor their physiological functions for a period."

READ MORE:
• Premium - Covid-19 coronavirus: The tech stock gainers - and what's next
• Coronavirus Covid-19: NZ scientists building tech for mass scanning
• Covid 19 coronavirus: Why contact tracing tech isn't so straightforward
• Government told to embrace digital technology in post-Covid recovery

He also said the other more complex challenge would be finding the niche within the system for managing Covid-19 and other threats, and at that point Government involvement is needed.

At the moment, if the app did tell someone they could likely be infected with the virus but weren't showing any symptoms, then it's unlikely they would warrant a test.

Government support

Ashley Bloomfield, director-general of health. Photo / File
Ashley Bloomfield, director-general of health. Photo / File

Ashley Bloomfield, director-general of health, said he wasn't aware of the app nor has the ministry been approached about it, however, as with other new tech solutions, they'd been engaging with companies creating solutions for Covid-19 and would continue to do this.

"We have confidence in the NZ Covid Tracer app to help us in the fight against Covid-19."

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