Weekly round up of useful / reliable English covid statistics:

1. Incidence
2. Care home outbreaks
3. Hospital / ICU admissions and deaths
4. Covid triage
5. Cases
6. Contact tracing
7. Mortality
8. Miscellaneous: ICU, France & Spain, GB Dec

#ahcveng
1a. Incidence

Zoe (KCL CSS) suggests incidence is slowing after a steep rise, whereas ONS and Imperial (REACT1) show sharp recent rise.

covid.joinzoe.com/data

ons.gov.uk/peoplepopulati…

imperial.ac.uk/media/imperial…
1b. Incidence

Note sharp age distinction in ONS / REACT1; if you favour the "GB Declaration" approach (see below) you would want the difference between young and old incidence and trajectory as great as possible

ons.gov.uk/peoplepopulati…
1c. Geographical incidence

Very sharp distinction in trajectories in North & South.

London a particular puzzle; is a significant degree of immunithy the most parsimonious explanation?

Any evidence that lockdowns up north have worked? Not much sign.

Sources: REACT1 / ONS
2. Care home outbreaks

Up again in week 40; still account for a significant % of institutional outbreaks (dwarfing hospitality, which is negligible).

Source: weekly PHE surveillance report: assets.publishing.service.gov.uk/government/upl…

Admissions: england.nhs.uk/statistics/sta…
3. Hospital & ICU admissions & deaths

Covid admissions: admissions rising linearly (*not* exponentially), NW & NE/Yorks are 60% of total, i.e. most of the 2nd wave; ICU now declining?: coronavirus.data.gov.uk/healthcare?are…

Covid deaths from NHS England stats: england.nhs.uk/statistics/sta…
Note that hospital admissions include hospital-acquired infections, which seem to be a thing again.



bbc.co.uk/news/uk-wales-…

theguardian.com/world/2020/sep…
4. Covid triage

111 triage (calls & online) should be a lead indicator for hospitalisations, in the vulnerable over 70s.

digital.nhs.uk/data-and-infor…
5. Cases - i.e. positive tests

Pillars 1&2 - last couple of weeks. Seemingly driven to a great extent by universities, schools and colleges; if this is true should calm down before too long.

Source: coronavirus.data.gov.uk/cases?areaType…
6. Contact tracing

A waste of money: around 550k 'contacts' now identified, most of them our own housemates and guests we would tell anyway, and only around 10% of whom isolate anyway: at a cost of £12bn.

Around £20k per isolating contact per day.

assets.publishing.service.gov.uk/government/upl…
7. Mortality

2019 was a very low-mortality year (as with Sweden); almost as far below trend as 2020 is above it.

ons.gov.uk/peoplepopulati…

8a. Miscellaneous - ICU

New ICNARC report published on ICU cohort & outcomes in UK: icnarc.org/DataServices/A…

Good write-up 👉
8b. Miscellaneous - France / Spain

Both look to have slowed out or even turned a corner.



8c. Miscellaneous - GB Dec

The "Great Barrington Declaration", a good summary of the strategy of moving from suppression to targeted protection of the vulnerable, drawn up and endorsed by epidemiologists from the world's great universities.

gbdeclaration.org

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More from @AlistairHaimes

2 Oct
Weekly round up of useful / reliable English covid statistics:

1. Incidence
2. Care home outbreaks
3. Hospital & ICU admissions and deaths
4. Covid triage
5. Cases
6. Contact tracing
7. The Vallance-tracker
8. Mortality
9. Miscellaneous

#ahcveng
1a. ONS incidence

The headline is that during the most recent week (18 to 24 September) there were around 8,400 new infections per day not including those living in institutional settings, *down* from 9,600 previous week.

Still not rising in the elderly

ons.gov.uk/peoplepopulati… ImageImageImage
1b. Other incidence

We also had the Imperial "REACT1" interim incidence report this week which also pointed to a slowdown, and the KCL Zoe app (tracking symptomatic cases) points in the same direction

imperial.ac.uk/media/imperial…

covid.joinzoe.com/data ImageImage
Read 18 tweets
25 Sep
Weekly round up of useful / reliable English covid statistics:

1. Cases
2. Care home outbreaks
3. Hospital deaths / admissions
4. Covid triage
5. Prevalence
6. Contact tracing
7. The Vallance-tracker
8. Mortality
9. Miscellaneous

#ahcveng
1. Cases

1a. Pillars 1&2 - last couple of weeks & last month (current wave) & full curve. Bear in mind the left-hand side was heavily rationed for testing, the right-hand side far less so: the 'two waves' are not comparable.

Source: Gov dashboard coronavirus.data.gov.uk/cases?areaType…
1. Cases

1b. English pillar 1 (clinical need / NHS) and pillar 2 (community swab) cases and % positive. The left-hand side was heavily rationed for testing, the right-hand side *far* less so.

Source: PHE covid surveillance report
assets.publishing.service.gov.uk/government/upl…
Read 15 tweets
24 Sep
"The scrutiny provided by our legislature was absent when it was most required.

The social costs of lockdown are extraordinary: the burden of proof for every day it was maintained should have been more extraordinary still. +
"It should never have been down to a cabinet, let alone the coronavirus quad or a poorly prime minister, to decide when rights we have taken for granted since Magna Carta should be restored: their suspension should have needed justifying daily, with the bar set high. +
We should be profoundly concerned at the precedent: the legislation was fatally flawed by the omission of a dead man’s switch, such that civil liberties would be restored automatically the moment their suspension was not overwhelmingly and objectively justified. +
Read 5 tweets
18 Sep
1. Cases

1a. Pillars 1&2 - last couple of weeks & last month (current wave) & full curve. Bear in mind the left-hand side was heavily rationed for testing, the right-hand side far less so: the 'two waves' are not comparable.

Source: Gov dashboard coronavirus.data.gov.uk/cases?areaType…
1. Cases

1b. English pillar 1 (clinical need & NHS) cases and % positive. Again, bear in mind that the left-hand side was heavily rationed for testing, the right-hand side *far* less so. Positivity currently 1.6%

Source: PHE covid surveillance report
assets.publishing.service.gov.uk/government/upl…
2. Care home outbreaks

*Critical data*. In week 37 there were 10x more outbreaks in care homes than in food outlets and restaurants; interventions targeted at the latter would be pointless.

Source: weekly PHE report as above
Read 9 tweets
15 Sep
On Friday evenings I'm going to release a thread like this on English covid data that I think is useful / reliable. If you don't want to follow the rest of my ranting, the # will be #ahcveng

• Cases: pillar 1
• Care home outbreaks
• Hospital deaths & admissions
• Sundry
1. English pillar 1 (clinical need & NHS) cases and % positive

Source: weekly PHE surveillance report

assets.publishing.service.gov.uk/government/upl…

#ahcveng Image
1a: why not pillar 2? Because I regard the data as corrupted by door-to-door testing of asymptomatic cases in hotspot areas, and testing of children / students with mild symptoms which will 🔼% positive while 🔽 usefulness (more non-infectious high Ct "weak" positives). Image
Read 8 tweets
14 Sep
Wait, there it is again Image
And again! Image
Read 4 tweets

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