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UK lab suspended after false negative COVID-19 tests


Well being employees and volunteers deal with lateral move take a look at samples and file outcomes as college students take coronavirus illness (COVID-19) assessments in London, March 5, 2021. REUTERS/Toby Melville/File Photograph

  • Lab may need given 43,000 false negatives
  • Immensa Well being Clinic awarded govt contracts value $233 million
  • Incorrect outcomes may have contributed to unfold – scientist

LONDON, Oct 15 (Reuters) – A COVID-19 testing laboratory in central England has been suspended over concern that it has been incorrectly giving destructive PCR take a look at outcomes to people who find themselves contaminated, the UK Well being Safety Company (UKHSA) mentioned on Friday.

NHS Check and Hint launched an investigation right into a lab in Wolverhampton after stories of individuals getting destructive PCR take a look at outcomes after testing constructive on speedy lateral move gadgets (LFDs).

Authorities recommendation says PCR assessments are extra correct than LFDs, and other people can cease self-isolating if a constructive LFD result’s adopted by a destructive PCR take a look at consequence.

UKHSA mentioned an estimated 43,000 individuals might have been given incorrect destructive PCR take a look at outcomes, primarily in southwest England, presumably underestimating the variety of individuals with coronavirus between Sept 8. and Oct. 12.

“We now have instantly suspended testing at this laboratory whereas we proceed the investigation,” mentioned Dr Will Welfare, Public Well being Incident Director at UKHSA.

“There is no such thing as a proof of any faults with LFD or PCR take a look at kits themselves and the general public ought to stay assured in utilizing them and in different laboratory providers at the moment offered.”

Immensa Well being Clinic, the non-public firm who run the lab, was based in Might 2020, and has been awarded contracts value 170 million kilos ($234 million) to course of outcomes of PCR assessments.

Its chief government, Andrea Riposati, mentioned the corporate was “totally collaborating” with UKHSA’s investigation, and did “not want this matter or the rest to tarnish the wonderful work finished by the UK on this pandemic.”

Riposati additionally runs Dante Labs, which is being investigated by the Competitors and Markets Authority (CMA) over allegations it has did not ship PCR take a look at outcomes on time or generally in any respect.

Prime Minister Boris Johnson has confronted criticism, with many saying NHS Check and Hint falls effectively in need of the “world-beating” system he had promised.

“If it was discovered that the outcomes of 40,000 most cancers or HIV assessments might have been incorrect, there could be an uproar and heads would roll,” mentioned opposition Labour celebration lawmaker Rosena Allin-Khan.

“Not with Check and Hint. Tens of billions of kilos thrown at quite a few non-public firms who’ve put revenue earlier than the pandemic.”

UKHSA mentioned it was an remoted incident in a single laboratory, with samples now being redirected to different labs, and general testing availability was unaffected.

However some scientists raised alarm that the false negatives may have contributed to the unfold of circumstances. One prevalence survey estimates infections at their highest since January. read more

“We now know 43,000 individuals are believed to have been given false negatives, however this doesn’t even come close to to the price of the error,” Equipment Yates of the College of Bathtub’s Division of Mathematical Sciences mentioned.

“Many of those individuals can have been compelled into faculty or work probably infecting others. This could possibly be a part of the explanation behind among the current rises we’ve seen.”

($1 = 0.7272 kilos)

Reporting by Alistair Smout, extra reporting by Andy Bruce; Modifying by Andrew MacAskill and Michael Holden

Our Requirements: The Thomson Reuters Trust Principles.



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