Authorities were aware of discrepancies in Covid test results across England one month before the lab responsible was ordered to shut down its operations, legal papers show.
An estimated 43,000 incorrect false negative tests were processed for the NHS by the Immensa laboratory in Wolverhampton between 8 September and 12 October.
UK Health Security Agency became aware of an “unusual spike” in suspicious test results on 14 September, with large numbers of people testing positive on lateral flow devices but negative via PCR.
It took a month before the UKHSA determined that the “likely cause was a technical issue at the Immensa laboratory”, according to court papers filed by the government in response to a lawsuit.
The Independent also revealed in October how machines at the Wolverhampton lab were poorly maintained, concerns over quality control dismissed and untrained staff regularly “left to their own devices”.
Samples at the site were wrongly processed or cross-contaminated, leading to incorrect test results, while faulty air conditioning and fluctuating humidity levels within the lab also led to spoiled tests, whistleblowers said.
Source: The Independent, 22 December 2021
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