Adam Briggs Profile picture
28 Jan, 18 tweets, 13 min read
Latest @PHE_uk COVID surveillance report now out. Covers 18th-24th Jan.

Cases have peaked, as have hospitalisations in some regions.

But hospital occupancy remains as high as ever and deaths are still rising. Please continue to take care. 🧵

gov.uk/government/sta…
Recorded case rates are falling in *all* age groups. And almost as quickly as the rose. This is a good thing.

The @ONS COVID infection survey is due to update tomorrow which will be helpful to see how closely the PHE data reflect community prevalence in the survey.
Also the % of PCR tests that are positive (positivity %) in pillar 2 is also reassuringly falling.

However, not in pillar 1 for most ages. Pillar 1 includes NHS or PHE lab tests for health care workers and those in clinical need.
This is partly explained because there are a lot of very unwell people still. But also may be partly due to health and care workers getting COVID.

Yesterday's @ONS survey release up to 9th Jan showing higher infection rates in patient-facing jobs may support this idea.
Infection rates are also now falling across all regions which is also very positive news.

But they do seem to be falling more slowly for some ages than others, e.g. age 80+ where other age groups are overtaking as case rates drop.
The map by Upper Tier Local Authority is looking much healthier. BUT note:
-still some areas of really high case rates, and
-that everything coloured blue is up to 315 cases per 100,000 per week.

Just three weeks ago there was only one category higher than this.
Still big differences by ethnicity and deprivation. But again, case rates falling in all groups.
Really good to see the fall in the number of incidents in care homes reported to PHE dropping again. Hopefully the vax is having a role.

But numbers are still generally v high: over 700 incidents reported with over 500 having a link to a known case of COVID.
Number of hospital incidents has remained reassuringly static week on week (as have incidents in workplaces)
And so have incidents in schools.

But as with last week, note the over-representation of SEN schools which remain largely open and where social distancing is really hard if not impossible.
On the face of it, hospital admissions look to have peaked - and for all ages, including 80+.

BUT this is not the case in West and East Mids, and Yorkshire and Humber. Regional differences are still very stark.
And hospital admissions peaking is just the first step to freeing up hospital beds.

People stay for a while - the number of hospitalised patients is still double that of the first wave peak.

Numbers will fall, but it'll take months to get back to anywhere near normality.
ICU bed admissions looks to also have just about peaked nationally.
But again this hides variation by region *and* age.

ICU bed use is generally younger people who will often need to stay for a long time.

And at best, admissions are only plateauing for 45-75y/o, and still rising in parts of North, Yorks and Humber, and Midlands.
With the lag between infection and death, death rates are still going up and will hopefully peak v soon.

Much has been made of passing the awful milestone of 100,000 people dying from COVID in the UK. But there will still be many thousands more.
Finally, excess mortality continues to grow in all age groups over 45 yrs.
Whilst hospital and ICU occupancy remains high, it remains crucial to follow lockdown rules, get tested if you have symptoms, and ask friends, neighbours, your local gov if you need help.

There's light. Cases have peaked and vaccine roll-out continues at an incredible pace.

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More from @ADMBriggs

28 Jan
Latest Test & Trace data - 14-20th Jan.

-Cases and tests down (except rapid lateral flow device use increasing).
-T&T turnaround times & contact tracing either similar or improving.

TL,DR: probably not great for RTs, but good for tackling COVID.

🧵

gov.uk/government/pub… Image
As case rates fall, so are the numbers of people getting tested - down 5% on last week. ImageImage
In pillar 2 - community testing - the number of rapid LFD tests being used continues to rise, 1.3m tests used and 12.8k people tested positive (972k tests last week with 14.3k positive).

Whereas the number of P2 PCR tests was down 17%. ImageImage
Read 15 tweets
24 Jan
Better late than never.

Thursday's Test & Trace data covering 7th - 13th Jan.

⬆️people tested
⬇️cases
⬇️not enough contacts
🤷‍♂️people isolating

Summary in figure, detail in 🧵
gov.uk/government/pub…
Big jump in number of people tested. Up 14% to 2.9m (>5% of English population in a single week).
This is partly due to a 20% increase (from 435k to 521k) in number of people tested in pillar 1.

These are NHS and PHE labs - generally used for hospital patients and more complex settings, with some of the increase because there are more people in hospital and more outbreaks.
Read 20 tweets
21 Jan
This week's @PHE_uk COVID surveillance report's just out.
Most recent week covered is 11th-17th Jan.

Case numbers may have peaked but hospital situation remains critical & deaths continue to rise, with large regional variation.

We're not out of this yet. Please stay 💪.

🧵
For two weeks in a row there are decrease in number of cases.

It seems fairly clear that with lockdown, infection rates are declining in all regions. Importantly (compared with last week) this now includes those aged 80+.
In some regions, particularly those with high case rates in this wave, infection rates are coming down fairly quickly.

In other regions & ages, there is little shift in some age groups. For example, see age 40-60yrs in East and West Mids.

This is *despite* being under lockdown.
Read 23 tweets
14 Jan
Most recent Test and Trace data, covers 31st Dec - 6th Jan.

Mixed picture this week:
- tests, cases, contacts ⬆️
- test turnaround times still not great
- taking longer to reach cases, but contact tracing performance remains fairly strong

Detail in 🧵

gov.uk/government/pub…
Following dip over Christmas week, number of people tested this week back up to 2.58m - 2.15m people tested in pillar 2 (community, including both PCR and rapid lateral flow devices) and 0.43m in pillar 1 (hospitals, just PCR).
For week ending 6th Jan, there was a 21% increase in number of people testing positive to 388k, with similar percentage increases in both pillar 1 and pillar 2.
Read 18 tweets
14 Jan
PHE's latest COVID surveillance report now published. Covers 4th-10th Jan.

Cases rates remain astonishingly high and whilst they may be turning a corner, rates are still rising among 80yrs+.

Hospital admissions and deaths also rising fast.🧵

gov.uk/government/sta…
There is a suggestion that in terms of case rates, we may have turned a corner.

This is great news for every age group EXCEPT over 80+yrs where case rates look to be climbing as fast as ever in ALL regions (and 70-79yrs also in NW, SW, Mids).
Here's the overall regional data.

Cases still climbing in the NW+, as well as SW and West Mids. Falling elsewhere.
Read 20 tweets
7 Jan
This week's test and trace data covering 24th to 30th Dec.

Case numbers and contacts rising steeply, and whilst contact tracing remains relatively consistent, some signs that the testing system may be under strain. 🧵

gov.uk/government/pub… ImageImageImageImage
We know cases and positivity rates are going up. Today's PHE surveillance report (to 3rd Jan) puts the numbers into perspective, including the current unprecedented challenge facing acute services.

And as case numbers rose by 24% in most recent wk, the number of people getting tested fell by 30%.

Am not discussing detail of rapid lateral flow devices vs PCR tests here as not confident in the data, but PHE report PCR positivity now at over 16% for community testng (P2) ImageImageImage
Read 18 tweets

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