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Now these overall sequenced cases are still *low* numbers. So PHE suggest a good proxy for VOC is looking at *all* PCR tests that detect the "S-Gene" (the opposite of how they tracked Kent in winter!). This lets you look at most pillar 2 (community) PCR cases.
This shows London is at almost 50% non B117 (ie NOT "Kent") - and potentially this is all B.1.617.2. NW also much higher at 30% and East of England above 20%. Perhaps why PHE highlighted NW as of particular concern.pic.twitter.com/JZeM4HMfGi
In fact PHE say, that from this way of tracking VOCs, "In some regions... [B.1.617.2] may have replaced B.1.1.7 ["Kent"] to some extent" - i.e. is close to dominant in London (!) (this is page 8, bottom of RH column).
That said, cases in London still v low and flat. *If* this is the case, we might expect cases to rise in London over next few weeks if B.1.617.2 takes over. ONS did say couldn't tell if London had stopped falling this week. For NW, cases *did* trickle up over last week...
Finally PHE show this map where they think B.1.617.2 is concentrated - blue is almost none, white is some, pinker is more. Cases concentrated in London and NW (circles), but also spread around Midlands, SE.pic.twitter.com/qK6DhDfXlC
So all in all quite a concerning report. Note that out of 507 confirmed B.1.617.2 only 38% were in travellers or contacts of travellers (fig 12 data). The rest were not travel assoc. or unknown - as I said above, it's in the community. It's partly why PHE so worried.
Some people point to low overall case numbers and say some of this could just be an artefact of imported cases doing a bit of spread. And I'd say maybe EXCEPT that we've watched it spread through India where low cases are NOT the issue. And it's outcompeting B117 there.
There's lots we don't know yet. But even in best case where vaccines work as well against it as they do against B117 ("Kent"), more infectiousness could cause a nasty summer wave just through high numbers.
Hopefully now that PHE have designated VOC, we will get more info on outbreaks and the greater resources can try to contain it. Seeing how this growth interacts with 17th May opening & highish vax will be a crunch point. Fingers crossed. /END
PS I will add that this does not mean we could end up in India's situation - our high vax rates will help even if there were some immune escape (of which there is so far little evidence in any case). But it's still not great.
Maybe you forgot all the surge testing. P1 didn't go away on its own.
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