Apple and Google are Launching a Joint Covid 19 Tracing Tool for iOS and Android
Apple and Google’s engineering teams have banded together to create a decentralized contact tracing tool that will help individuals determine whether they have been exposed to someone with COVID-19.
Contact tracing is a useful tool that helps public health authorities track the spread of the disease and inform the potentially exposed so that they can get tested. It does this by identifying and “following up with” people who have come into contact with a COVID-19-affected person.
How it works
A quick example of how a system like this might work:
Two people happen to be near each other for a period of time, let’s say 10 minutes. Their phones exchange the anonymous identifiers (which change every 15 minutes).
Later on, one of those people is diagnosed with COVID-19 and enters it into the system via a Public Health Authority app that has integrated the API.
With an additional consent, the diagnosed user allows his anonymous identifiers for the last 14 days to be transmitted to the system.
The person they came into contact with has a Public Health app on their phone that downloads the broadcast keys of positive tests and alerts them to a match.
The app gives them more information on how to proceed from there.