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Rivercide : Why are we flooding British waterways with sewage?
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How Digital Contact Tracing Reduced Covid-19 Cases In The U K By 20%
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The NHS Test and Trace app may have prevented around 284,000 Covid infections between October and December, a study suggests.
Research by the University of Oxford found between 100,000 and 900,000 cases in England and Wales were prevented by the app s exposure notifications.
Experts said the results show the benefits of using contact tracing apps, particularly in countries waiting for full protection from vaccines .
The study said the contract tracing app sent around 1.7million exposure notifications in the last three months of 2020, as a result of 560,000 app users testing positive.
It estimated around six per cent of app users that receive a close contact notification will go on to report a positive test themselves a similar rate to manual testing.