Covid lab returned four positive results from 2,400 Sheffield tests
Exclusive: positivity rate of 0.2% for tests processed by Immensa in Wolverhampton contrasts with national rate of about 5-8%
The laboratory at the centre of the Covid testing fiasco returned just four positive results out of more than 2,400 tests sent to it from one city, the Guardian has learned, raising questions about why it was not discovered sooner.
The positivity rate of just 0.2% from Sheffield tests sent to the Wolverhampton lab run by Immensa contrasts sharply with the national rate of about 5-8% at the time of the scandal.
Continue reading...from The Guardian https://ift.tt/3CkpQ8Z
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