![]() ![]() To help, Apple and Google cooperated to build Exposure Notifications technology that will enable apps created by public health agencies to work more accurately, reliably and effectively across both Android phones and iPhones. Exposure Notification has the specific goal of rapid notification, which is especially important to slowing the spread of the disease with a virus that can be spread asymptomatically. One new element of contact tracing is Exposure Notifications: using privacy-preserving digital technology to tell someone they may have been exposed to the virus. Through this approach, public health officials contact, test, treat and advise people who may have been exposed to an affected person. ![]() One of the most effective techniques that public health officials have used during outbreaks is called contact tracing. Again, Apple and Google both emphasize that what they’ve built is not an app, but rather an API that public health agencies can incorporate into their own apps. The goal, the companies say, is to offer rapid notifications to exposed users. In a statement to 9to5Mac, Apple and Google elaborated on the need for this Exposure Notification API in helping slow the spread of COVID-19. All metadata associated with Bluetooth is now encrypted to make it more difficult to identify a person.Temporary Exposure Keys are now generated randomly instead of being derived from a tracing key.Public health agencies can contact exposed users based on a combination fo the API and data that users voluntarily choose to input into the appĪpple and Google also say that they have made further privacy enhancements to the Exposure Notification API:.Transmission risk of positive cases can be factored into the definition of an exposure event. ![]()
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