When phones with Trace Tees are nearby, they exchange anonymized proximity information via Bluetooth. Trace UK uploads this data using Temporary Exposure Keys (TEKs) generated on the phones. If a user tests positive for Covid-19, they enter this in the app. TEKs, which do not reveal identities, match with Rolling Proximity Identifiers (RPIs) transmitted via Bluetooth. The app frequently downloads information on positive cases, calculates contact duration and distance, and notifies close contacts at risk, advising them to self-isolate. The app could also link test results automatically via QR codes, though this requires extra development.
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The Trace Tees app supports Teesside's effort to track and trace the spread of COVID-19 using Bluetooth. It helps ensure we don'st unknowingly spread the virus to loved ones and supports contact tracers and healthcare workers.
The app identifies close contacts using anonymised Bluetooth data, uploads contact details via Temporary Exposure Keys, and notifies users of potential risk. It is designed with Figma, built with Flutter, and uses GraphQL for data management.
Users receive instant notifications about potential exposure, helping them take immediate action. The app’s user-friendly design ensures easy navigation and quick access to important information.
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