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Coronavirus lateral flow tests only pick up 49 per cent of infections because they fail to catch people with low levels of the virus, researchers have found.
The findings of a pilot of 3,199 people has blown a hole in the Government s mass testing strategy, which featured plans to hand out millions of 30-minute tests to allow Britons to go back to living life normally, it was revealed yesterday.
The lateral flow test produced by US-based Innova only pick up 48.89 per cent of active infections, according to a University of Liverpool pilot programme.
It contradicts earlier lab tests, which found the test had an overall sensitivity of 76.8 per cent, rising to 95 per cent in individuals with a high viral load.