NHS Covid-19 app: how does track and trace work, and what does the 'possible exposure' message mean?

Telegraph 16 Dec 2020 10:51

After months of delays and millions of pounds, the NHS belatedly launched its official contact tracing in England and Wales on the 24 September.

The NHS Covid-19 app asks users who have been near someone with a positive coronavirus test result to self-isolate for two weeks.

It also allows users to check-in to pubs, restaurants or other venues by scanning a QR code on their phone. They will then get an alert telling them to self-isolated if other visitors at the same time are found to have been infected. 

It has now been downloaded more than 19 million times and hailed as "the fastest download of an app in British history".

A new update to the app will now urge more people to isolate. It will also aim to end confusion by removing warnings about "possible exposure".

For many, however, confusion persists about how exactly the app works. Here's everything you need to know about how to get set up and use the NHS Covid-19 app:

How do I download the NHS Covid-19 app?

To download the app, visit the App Store on your iPhone, or the Google Play Store on your Android phone. The app is only available on smartphones, and cannot be used on a smartwatche or tablet.

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