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The Coronavirus Discussion Thread.

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We worked out that max number of students in some of our secondary classrooms

@clink Secondary schools will not be going back (in England) until September. At the moment the plan is for selected PRIMARY school years to go back with an ambition for all primary children if conditions allow. What will the world be like in September - who knows, but trying to work out that now is a pointless exercise


 
Posted : 12/05/2020 12:11 pm
 DrJ
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In a slightly devil's advocate mode - the 1968 Hong Kong flu pandemic killed a million people including 100K in the USA. Not nice, but the economy didn't stop and the workd didn't end. How is this different ?


 
Posted : 12/05/2020 12:11 pm
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I think the main difference is that this will kill a million people even after the world stopped.


 
Posted : 12/05/2020 12:13 pm
 DrJ
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Hancock on R4 now.
Nice but dim.

Not nice at all - a rather nasty little piece of work. "I don't like your tone" etc.


 
Posted : 12/05/2020 12:24 pm
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Have we done the difference between the UK & Irish plans - the differences are staggering in the level of detail...

https://twitter.com/yascaoimhin/status/1259762607411658752?fbclid=IwAR0k8T1IF2mTpWodVLhjK3a-rF_tbSFbNFDceQeBLYtEEWHdTM4FuiXWpIo


 
Posted : 12/05/2020 12:37 pm
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Regarding face masks - sorry if this has been covered else where. But...

Are the ones we are being encouraged to make from old t-shirts or socks actually effective or just a placebo mask?


 
Posted : 12/05/2020 12:40 pm
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Some prefer the term “reassuring”, rather than “placebo”.

Wuhan draws up plans to test all 11 million residents.

I’d missed that this was triggered by only six new confirmed cases. Why don’t they just wait ‘till 30,000 people have died, and then start some small trials to investigate what might be possible to contain the virus and stop it spreading… I thought the international community were “looking to us” to form the correct response as we “spearhead” efforts to beat the virus?


 
Posted : 12/05/2020 12:48 pm
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@clink Secondary schools will not be going back (in England) until September. At the moment the plan is for selected PRIMARY school years to go back with an ambition for all primary children if conditions allow. What will the world be like in September – who knows, but trying to work out that now is a pointless exercise

I know - but we are also been asked to have Year 10 in before the end of term. Our biggest issue is that 80% of students are on school buses.


 
Posted : 12/05/2020 12:49 pm
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Are the ones we are being encouraged to make from old t-shirts or socks actually effective or just a placebo mask?

Effective in as much as it stops you spraying spit and snot everywhere.

Completely ineffective in as much as it won't stop virus particles being inhaled/exhaled.

Further issues around the hygiene of the mask itself if it's being re-worn day in day out with no/minimal washing.


 
Posted : 12/05/2020 12:53 pm
 DrJ
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An interesting take on the "Stay alert" Teflon message

https://medium.com/@jonjalex/johnsons-message-is-very-deliberate-and-very-dangerous-here-s-how-to-combat-it-d336cae96348


 
Posted : 12/05/2020 12:55 pm
 DrJ
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I thought the international community were “looking to us” to form the correct response as we “spearhead” efforts to beat the virus?

Foreigners, eh? What are they like?!


 
Posted : 12/05/2020 12:58 pm
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I know – but we are also been asked to have Year 10 in before the end of term. Our biggest issue is that 80% of students are on school buses.

My lad is at a 6th form college with the same issue.

If a head teacher/principal says "I cannot do this within social distancing guidelines, I can't sign it off as I'm responsible for the health and safety of staff and pupils" - what then? Remain at internet schooling with just half a dozen kids in each classroom on a lucky dip basis?

All Boris's plan was prefaced with "if we can/if the tests are met". I guess their desparation to get people back to work will be shown if they try and force things through against their current tests.


 
Posted : 12/05/2020 12:59 pm
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“I cannot do this within social distancing guidelines, I can’t sign it off as I’m responsible for the health and safety of staff and pupils” – what then?

That’s the issue not just for schools and colleges, but for all workplaces. And for some workplaces, the issue might be about to become more pressing than for schools, depending on what the chancellor announces today.


 
Posted : 12/05/2020 1:07 pm
 DrJ
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Watching the lunchtime news. Arlene Foster making sense relative to the English government. Just think about that 🙁


 
Posted : 12/05/2020 1:21 pm
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https://www.theguardian.com/world/2020/may/12/uk-coronavirus-death-toll-passes-40000-official-figures-say

URL enough of a description frankly


 
Posted : 12/05/2020 1:23 pm
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anyone else find it very depressing that were being told to use cars as an alternative to public transport (I know cycling & walking also encouraged, but that isnt practical for some)

its been so nice seeing the roads less clogged & pollution down


 
Posted : 12/05/2020 1:26 pm
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DrJ
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Watching the lunchtime news. Arlene Foster making sense relative to the English government. Just think about that

I know, the NI advice seems completely free of nonsensical equations & graphs with flying bicycles, I bet she doesnt even mention common sense


 
Posted : 12/05/2020 1:31 pm
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Govt stats have been showing 40-50% of people wfh. Add furloughed staff into that, plus redundancies, that’s a natural drop in public transport usage. Then factor in leisure travel reduced to almost zero. Small percentages in cities choosing to walk /cycle, then the car will account for the rest.

What absolutely should be happening is full sized trains running throughout the day rather than dropping carriage outside rush hour.

We aren’t going to stop every transmission, but we can reduce the number.


 
Posted : 12/05/2020 1:37 pm
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Our local bike park is opening from tomorrow...

Old Hill


 
Posted : 12/05/2020 1:38 pm
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Watching the lunchtime news. Arlene Foster making sense relative to the English government. Just think about that

We really are through the looking glass now, aren't we?

I'm also enjoying how Nichola Sturgeon now longer makes even a token attempt to disguise her total contempt for the ****-wittery she's witnessing from Boris and chums and how she's having no part in it.

With this on top of Brexit, Boris really is pretty determined to oversee the break up of the UK


 
Posted : 12/05/2020 1:40 pm
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Plus another 10k in the all-cause mortality figures. If you would like some good news, all regions have now passed their peak in all-cause mortality. I now have a better predictor of total excess deaths based on peak and it’s not as bad as I first feared, but it’s bad (75k for England and Wales). For reference there were 228k deaths in the U.K. from influenza in 1918/19

That’s the first wave with, maybe, 5-10% infected. A second wave would not be welcome.


 
Posted : 12/05/2020 1:41 pm
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according to my doctor mate

I don't know what the other clinicians have heard but we had a Registrar meeting last Thursday - our hospital (Trust) is planning for a Second peak of Covid in June/July and then a third in Sept/Oct


 
Posted : 12/05/2020 1:48 pm
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Plus another 10k in the all-cause mortality figures.

Article on the FT for that

https://www.ft.com/content/40fc8904-febf-4a66-8d1c-ea3e48bbc034

The number of UK deaths during the coronavirus pandemic over and above normal levels has exceeded 50,000, official figures confirmed on Tuesday.


 
Posted : 12/05/2020 1:49 pm
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Anyone else suffering a bit of anxiety this week?

Since the last Bojo shitcast we've been contacted by friends who seem to be keen to start to return to normal. "meet up for a drink in the garden" "meet up for a bike ride" Everyone promising to maintain social distancing of course, but its making me feel anxious and a bit stressed. Im starting to wonder if either a) My reaction is quite normal and they are idiots or b) the last 7 weeks have had a strange effect on my mental health and i'm now irrationaly phobic of others.

Anyone else?


 
Posted : 12/05/2020 2:20 pm
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Anyone else suffering a bit of anxiety this week?

Yeah the same. Lots of people seeming to act as if the end of lockdown has come, yet I don't feel the same.

Can anyone answer this:

Daily cases are still ~4000 a day, but that's obviously not the real number as that's only tested people.

What I'm struggling with is what was the initial 'seed' figure of infected people in the first week or so?

If we assume the only cases we have are those tested, then that's still 28,000 new cases a week.

Surely our starting point must of been only a few hundred cases? Can social distancing really have a big enough impact to stop this just exploding again in a few weeks?

Anyone?


 
Posted : 12/05/2020 2:36 pm
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its making me feel anxious and a bit stressed. Im starting to wonder if either a) My reaction is quite normal and they are idiots or b) the last 7 weeks have had a strange effect on my mental health and i’m now irrationaly phobic of others.

I'm the same, although as a secondary teacher I appear to be lucky as I can keep my family doing just as we have been for some time yet.


 
Posted : 12/05/2020 2:48 pm
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@kiksy - there are signs that C19 was circulating in France at the end of 2019, so it’s probably not possible to really get a handle on the number who were carrying but asymptomatic and travelling backwards and forwards from December through January and February.


 
Posted : 12/05/2020 2:54 pm
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100 cases expanding at a fast enough rate / high enough R (TiRed says doubling every 3 days) is pretty soon a big number

https://en.wikipedia.org/wiki/Wheat_and_chessboard_problem


 
Posted : 12/05/2020 2:54 pm
 DrJ
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https://www.theguardian.com/uk-news/2020/may/12/uk-rail-worker-dies-coronavirus-spat-belly-mujinga

We really are screwed. As soon as we're allowed out I'm off to live in a cave far away from "humans".


 
Posted : 12/05/2020 3:03 pm
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I now have a better predictor of total excess deaths based on peak and it’s not as bad as I first feared, but it’s bad (75k for England and Wales). For reference there were 228k deaths in the U.K. from influenza in 1918/19

That’s the first wave with, maybe, 5-10% infected. A second wave would not be welcome.

And that figure for now, is it with everybody hunkered down in their cave?


 
Posted : 12/05/2020 3:10 pm
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On excess deaths - According to the BBC

These 50,745 "extra deaths" are largely attributed to the pandemic.

The total seen so far in this first phase of the epidemic is roughly comparable to the winter of 2017/18, when England and Wales saw approximately 50,000 more deaths than they would ordinarily see during the summer months.

So with lockdown, the UK has managed to limit deaths to the equivalent of what presumably was a bad flu season?


 
Posted : 12/05/2020 3:14 pm
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is it with everybody hunkered down in their cave?

I was wondering the same.

Does 75k assume that new infections (and after lag, deaths) continue on the same path they are currently on? Why would that path not change as more people meet up before track/trace/isolate is in place?


 
Posted : 12/05/2020 3:15 pm
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@Blackflag luckily I've not been subjected to social requests from mates yet, I think the realise it's not the time yet, or more likely the fact that having an autistic kid means that we've been social distancing for ages :-).

But I reckon your reaction is perfectly normal. I'd be less worried about it as I'd tell them to sort themselves out and stop being nobheads, but that's probably another reason we've been so effective at social distancing 🙂


 
Posted : 12/05/2020 3:15 pm
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75k includes the actions we are taking now. It's that bad.


 
Posted : 12/05/2020 3:20 pm
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Interestig that Sunak has extended furlough until October, thats more or less the beginning of flu season, we would reasonably expect a second surge, so it would have to be extended again after that, as conditions for virus spread much more permissive?


 
Posted : 12/05/2020 3:26 pm
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Thought it might.

If we stretch this right out until a hypothetical vaccine arrives in a hypothetical 18 months-from-when-trials-started then, can we expect, assuming we can turn on and turn off the lockdown taps and 'save the NHS' by flatlining the ICU use - going to be see a few hundred dead every day for the duration until the vaccine turns up. Or, it's endemic and most people have Got Covid Done.

Thing is, 352 x 1.5 x 500 is a pretty large number, so, hoping I'm wrong there.


 
Posted : 12/05/2020 3:27 pm
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I have my fair share of anxiety and mental health issues. I'm actually pretty resigned to it just being something we get used to working around pending any potential vaccine. More wondering when is the least worst time to catch it, to be honest, in terms of NHS capacity

Lots of folk saying that they are looking forward to a ride or meeting up, and I'm not keen to do any such thing. We'll go out and take our chances as and when we see fit. If the school's think they can take the kids in the next few months, then we'll let them go I think, I could do to get stuff from the office if they let us in, wife still working almost as normal, but I'm not rushing to get out and socialise on top of that.


 
Posted : 12/05/2020 3:49 pm
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Based on current trends, I have used a simple epidemic model and then simultaneously related COVID deaths to all cause mortality. I do this for each NHS region then sum them up for England and Wales. The model predicts Wales all-cause mortality using predicted not observed COVID19 deaths There is a good relationship between the two. We are about 2/3 through wave 1. There may be a longer tail. But this is what the epidemic in E&W looks like. I have not included Scotland and NI as getting the data is protracted.

You will see an earlier peak in weeks 1 and 2 compared to 10-year mean as well.

null

100 deaths/day for the rest of the year would be an extra 18k for 2020.


 
Posted : 12/05/2020 4:18 pm
 kcr
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Anyone else suffering a bit of anxiety this week?

I'm not personally anxious about the situation, because I'm fortunate to be able to work from home, but I wouldn't even think about meeting up with other people to go cycling, visit a park, or have people in my garden. I'm happy to go out for family walks or a solo cycle, and visit the supermarket for food once a week, but I am not going to risk any unnecessary exposure.

Some of the kids from different neighbouring families have been out playing together in the park which really surprised me. They're not daft, so I can't understand why they would take that risk.


 
Posted : 12/05/2020 6:09 pm
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Worked through the ncase website kryton linked to. And it's very nice. It is of course deterministic, so when you have low numbers you get time delays and die out, but I commend it as explaining the basic principles clearly.

BTW, I said before, I prefer doubling times to R values - the incidence of cases and deaths has an exponential slope and hence a doubling time (or halving if it's going down). R is confounded by a case duration, which is poorly defined. Up and down is easier.


 
Posted : 12/05/2020 6:22 pm
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I’m not personally anxious about the situation, because I’m fortunate to be able to work from home, but I wouldn’t even think about meeting up with other people to go cycling, visit a park, or have people in my garden. I’m happy to go out for family walks or a solo cycle, and visit the supermarket for food once a week, but I am not going to risk any unnecessary exposure.

Exactly this for me.  I know the world is evolving into a different place outside my 4 walls but I'm surrendered to the fact I just have to roll with it.

Worked through the ncase website kryton linked to. And it’s very nice. It is of course deterministic, so when you have low numbers you get time delays and die out, but I commend it as explaining the basic principles clearly.

BTW, I said before, I prefer doubling times to R values – the incidence of cases and deaths has an exponential slope and hence a doubling time (or halving if it’s going down). R is confounded by a case duration, which is poorly defined. Up and down is easier.

On everybody's behalf thanks for doing so, although I can't take credit for the link it was another person in Unfitgeezers thread.   Nice to have a little positivity.


 
Posted : 12/05/2020 6:35 pm
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Had a chat with a doctor recently. From what he's seeing about the gravity of cases there's one thing you can do to seriously reduce your chances of a trip to A&E with the virus. Get down to your ideal weight. It doesn't mean you won't catch it, it does mean you're very unlikely to get symptoms serious enough to put you in hospital. Out of curiosity I had a look at the STW Chub Club threads and compared weights with how serious people were in the have-you-had-it thread. For the STW sample my doc is right.


 
Posted : 12/05/2020 6:36 pm
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<0.9 @ 11th May 2020
<0.5 @ 1st June 2020 (might have miss read and it's 0.6)
<0.3 @ 1st July 2020

Can we really hit R of 0.5 in two weeks? Will we even have data that can give that level of confidence? Since we seem be in a range of 0.5 - 0.9 I'm going to have a punter level punt at 0.3 - 0.5 being the range for the next change. I just can't get my head round how these levels will drop with measures taking place that will increase potential contact and so transmission.


 
Posted : 12/05/2020 6:56 pm
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Can we really hit R of 0.5 in two weeks?

I think that's meant to be 'illustrative'. There's no time scale on the x axis, but perplexingly, actions which would increase mythical R (by amounts we can argue about but in all cases increase) seem to decrease it. Other criticisms will be along in a minute.

Just editing to say that I'm personally not at all worried about getting C19. I'm more worried about my kids, two of whom graduate this summer, one of whom's signed up for a few more months in china, getting jobs. And seeing my stuck in his room in a care home father again. I do all the tedious distancing stuff, but am more concerned with social disapprobation than getting ill.


 
Posted : 12/05/2020 7:02 pm
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That graph is kind of misleading as you suggest since it has no counterfactuals.


 
Posted : 12/05/2020 7:06 pm
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