https://www.androidauthority.com/exposure-notification-api-rules-1115071/
Google/Apple lay out rules for Exposure Notification API - Android Authority
May 4, 2020 - Google and Apple's Exposure Notification API is coming to life, and now the companies are laying down the law as for how developers can use the new tool.
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https://appleinsider.com/articles/20/10/01/new-york-new-jersey-exposure-notification-apps-tap-apple-google-api
New York, New Jersey exposure notification apps tap Apple-Google API | AppleInsider
New York and New Jersey on Thursday announced the launch of new COVID-19 apps based on the Apple and Google Exposure Notification framework.
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https://www.androidauthority.com/google-apple-exposure-notification-1111379/
Google and Apple officially launch exposure notification API
May 20, 2020 - Google and Apple's contact tracing API is now called exposure notification to more accurately describe it. It is available now for PHAs that want to use it.
exposure notificationgoogleappleofficiallylaunch