Fact check - Boris Johnson says they didn't know about asymptomatic transmission back in March.
The Sage minutes of March 31 include an NHS England paper written by Professor Stephen Powis dated March 31.
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The Sage minutes of March 31 include an NHS England paper written by Professor Stephen Powis dated March 31.
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Professor Stephen Powis looked at the extent to which transmission within hospitals from patients to healthcare workers and vice versa had become one of the key sources of the outbreak across the UK.
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He was absolutely clear about the risk that people in hospital with no symptoms posed, saying: "A key additional risk is transmission of coronavirus from non-diagnosed Covid-19 positive patients or staff, i.e. those who are asymptomatic or pauci-symptomatic."
Even in February this article in the Lancit cited an example of a pre-op patient who within hours managed to infect 14 healthcare professionals before the onset of symptoms thelancet.com/pdfs/journals/…
Read our full story on it here.
walesonline.co.uk/news/politics/…
walesonline.co.uk/news/politics/…
