How The NHS Test And Trace App Works
The long-awaited NHS coronavirus app is here, designed to track the virus and slow the spread of transmissions.
The rollout across England and Wales follows months of delay and questions about the app’s effectiveness in the face of mixed results from other countries, which have already deployed such apps.
However, Matt Hancock still insists the app represents “an important step forward” in our fight against the “invisible killer”.
NHS Test and Trace, which is responsible for the service, said the app was used to send alerts to users during a trial period on the Isle of Wight and in the London borough of Newham, after people had tested positive.
The latest version was piloted among residents of both areas as well as NHS volunteers from mid-August, after the first app was marred by technical issues and eventually scrapped.
Thinking of downloading the app? Here’s what you need to know.
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How does the app work?
The app is designed to trace how the virus is spreading from person to person – and stop it in its tracks.
It works by using Bluetooth signals to track who an individual comes into contact with on a daily basis. When two phones with Bluetooth enabled come into close contact, this is logged by the app.
The app allows users to report symptoms, meaning those they’ve been in close contact with will also be notified. You’ll also receive risk alerts for your postcode.
The app also has other functions, such as QR check-in that you can use at entertainment and leisure facilities such as pubs and restaurants. If an outbreak is linked to that location, you’ll be notified.
Do you have to sign up?
No, using the software is totally voluntary, meaning its success will also depend heavily on how many people choose to download and use it.
An advertising campaign to promote the app will...