The latest antibody survey from @ONS has been published, and show that levels have flattened off in England and are falling in the oldest age groups. Similar patterns are seen in W and S, though not in NI.
The overall % in England is 54.9%, compared with 54.7% two weeks ago.
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In England the first sign of a fall in older ages was seen two weeks ago, but is now clearer and extends down to all groups over 65. Younger age groups are continuing to rise.
The fall over the 2 weeks for 80+ is from 86% to 78%, and is 8-9% in the three upper groups.
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Visually you can see it here at the latest point in time, or follow the link to have the interactive version. ons.gov.uk/peoplepopulati…
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Of interest there's not the obvious link between level of vaccination and antibodies you might expect.
eg London is by far the lowest for the former, but immediately to the right you can see the contrast with the SE - much higher vaccination, but lower antibody prevalence.
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The survey models results up to the 28th March. Hopefully the start of widespread second doses will give a further boost to the older ages in coming weeks. Meanwhile, the report ends with a note of caution regarding what these results mean.
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