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Hailed by the federal government as a key tool in the fight against the coronavirus since its release last July, Canada’s COVID Alert app has been plagued by a nagging question: Does it really work?
Now, federal officials have a plan to offer a better answer soon. It will require collecting more data on how the app is used, but the government says it will still respect users’ privacy.
Employing wireless Bluetooth technology, COVID Alert was designed to tell users when they’ve been in close contact with someone who later tested positive. Built-in privacy features have made it impossible to pinpoint where the contact occurred, or with whom.
The federal ministers of health and digital government announced in a statement Tuesday afternoon the app “will be updated to help measure its uptake, performance and effectiveness in limiting the spread of COVID-19.”
Until now, observers have found it hard to gauge its usefulness, with no way of knowing how many users have been notified of potential exposure. The app’s development team has stressed the data hasn’t been available, as much of the information related to close contacts is stored on individual smartphones, rather than on a central server.
“It’s problematic to adopt and launch a technology … and to have no way of assessing whether the technology is actually useful,” said Teresa Scassa, a law professor at the University of Ottawa.
She said she’s waiting to learn exactly how the Canadian Digital Service (CDS), which develops and updates the app, will gather the new information. But Scassa said she had no immediate concerns about the data collection.
The government’s news release says the update will maintain “strong privacy measures” to preserve confidentiality.
“I’m encouraged that now they’re starting to collect metrics,” said Scassa, who holds the Canada Research Chair in Information Law and Policy.
According to a government news release, the app will collect data on:
- The number of active users and downloads per province or territory.
- The number of exposure notifications sent.
- How many users enter a one-time key after receiving a diagnosis.
- Technical performance to help ensure it’s working correctly.
Federal officials said the office of privacy commissioner Daniel Therrien had been consulted on the new data collection and was satisfied with safeguards in place. Therrien was not immediately available for comment.
The government says the data will start being collected over the next two weeks, with statistics first published online sometime in the spring.
COVID Alert has been downloaded more than 6.1 million times, but it’s unclear how many Canadians have then finished the installation process on their smartphones and kept the app active. After glitches recently prevented the app from delivering exposure notifications, the CDS recommends users regularly open COVID Alert to ensure it’s still working.
Figures from Ontario show the vast majority of COVID-19 cases diagnosed in the province are not reported through the app. Last Friday, for instance, Ontario recorded 1,670 new cases while only 49 people used the app to notify close contacts of potential exposure.
Across Atlantic Canada and the Northwest Territories, only 82 users had used the app to report a positive test result, N.B. officials said last month. The app is functional everywhere in the country except for Alberta, B.C., Nunavut and Yukon.
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