Coronavirus: does test-and-trace work to keep Covid-19 cases down?

Experts say UK’s £12bn system is having ‘marginal impact’ infections rates - but are other countries faring any better?

A man wearing a face mask passes a sign for the NHS test-and-trace service.
Experts say UK’s £12bn system is having ‘marginal impact’ infections rates - but are other countries faring any better?
(Image credit: Daniel Leal-Olivas/AFP via Getty Images)

The UK’s much-maligned test-and-trace system is failing to reduce Covid-19 transmission at anything like the rate achieved in many other countries, official figures show.

An assessment by Downing Street’s scientific advisers earlier this month found that the UK scheme is only “having a marginal impact” on infection rates, despite the £12bn price tag for the system, as well as a scrapped first effort.

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Joe Evans is the world news editor at TheWeek.co.uk. He joined the team in 2019 and held roles including deputy news editor and acting news editor before moving into his current position in early 2021. He is a regular panellist on The Week Unwrapped podcast, discussing politics and foreign affairs. 

Before joining The Week, he worked as a freelance journalist covering the UK and Ireland for German newspapers and magazines. A series of features on Brexit and the Irish border got him nominated for the Hostwriter Prize in 2019. Prior to settling down in London, he lived and worked in Cambodia, where he ran communications for a non-governmental organisation and worked as a journalist covering Southeast Asia. He has a master’s degree in journalism from City, University of London, and before that studied English Literature at the University of Manchester.