The Data Protection Officer for Berkshire has just alerted us to this scam

[Cookham Webmaster]

For your awareness, this is the latest scam involving the recently deployed NHS Test and Trace app.

People are pretending to be from NHS Test and Trace informing you that you've been in close contact with someone who has tested positive for coronavirus and advising that you need to have a test. They say that they need your card details as you have to pay for the test. This is not true. The NHS tests for coronavirus are free. If you get a genuine email, text or call from NHS Test and Trace they will never ask you to pay for a test or for your bank/card details.