Quote:
Originally Posted by jfman
https://assets.publishing.service.go...iant_DELTA.pdf
Notably it was published last night and not 22 February as the news article you linked to. The news article predates the emergence of variant delta.
It confirms a reduction in vaccine efficacy which is being denied and highlights particular concern around the Oxford vaccine.
There is more confidence after two doses.
It's very red as far as risk registers go. It would be very challenging for a following the science Conservative Government to ignore.
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Yep, they’ve plastered a big red mark next to it, and then said
Quote:
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Iterated analysis continues to show vaccine effectiveness against Delta is higher after 2 doses but that there is a reduction for Delta compared to Alpha. There is a high level of uncertainty around the magnitude of the change in vaccine effectiveness after 2 doses of Oxford-AstraZeneca vaccine.
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Quote:
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Although this is observational data subject to some biases, it holds true across several analytic approaches and the same effect is seen in both English and Scottish data. It is strongly supported by pseudovirus and live virus neutralisation data from multiple laboratories. There are no data on whether prevention of transmission is affected and insufficient data to assess vaccine effectiveness against severe disease.
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I didn’t say that there wasn’t any evidence, I said it was scarce, this does nothing as yet to alter that assessment.
So they don’t really know yet.