A blunder at a laboratory which told thousands of people they were negative from covid, when they were actually positive, may have killed 20 people, health officials said.
NHS Test and Trace suspended testing operations provided by Immensa Health Clinic Ltd at its laboratory in Wolverhampton in October 2021 following reports of inaccurate results.
Richard Gleave, UKHSA director and lead investigator, said: “Through this investigation we have looked carefully at the arrangements in place for overseeing contracts of private labs providing surge testing during this time. “It is our view that there was no single action that NHS Test and Trace could have taken differently to prevent this error arising in the private laboratory.
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