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A photo of a road sign in Australia taken on June 26, 2020. (Michael Coghlan, https://flic.kr/p/2jM3AA3; CC BY-SA 2.0, https://creativecommons.org/licenses/by-sa/2.0/)
It’s been a year since the first contact-tracing and exposure-notification apps for the novel coronavirus appeared. The apps, which could inform people of exposure before they became infectious, had the potential to stem coronavirus spread. A 2020 Oxford University study estimated that if 56 percent of the population were using the app, this would be enough to suppress the disease’s spread (later variants of the virus appear to spread more easily, so a higher adoption rate would be needed in the face of the variants). So, how well have the apps worked in pract
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Read the original article: Lessons From Contact-Tracing and Exposure-Notification Apps