NON_POLITICAL China Coronavirus THREAD

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pmv

Lifer
May 30, 2008
13,271
8,197
136
After severely overestimating the impact COVID would have since Jan 2020 and being proven wrong several times I am going to go ahead and assume that the sky will in fact stay up this time. Yes many many more people will get sick but I do not believe it is going to result in too much of an impact. Seeing a lot of anectodical accounts of people in London and NYC saying there are very large numbers of sick people who basically have a cold, it is not like previous waves where tons of people were gravely ill. Hospitals are reporting a large increase in cases but those cases are not there because of COVID they just happen to have it. I'm more worried about interruptions to the supply chain from mandatory quarantines than I am the actual disease at this point. Hopefully I am not wrong again.

Even if you restrict the category to strictly 'patients admitted because of COVID' rather than 'just happen to have it', so far I don't see much evidence that it's milder than previous strains. It seems to be closely tracking the Delta strain.

(Mind you, I'm disappointed that a PhD would misuse an apostrophe the way this fellow does)

 
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local

Golden Member
Jun 28, 2011
1,851
512
136
Even if you restrict the category to strictly 'patients admitted because of COVID' rather than 'just happen to have it', so far I don't see much evidence that it's milder than previous strains. It seems to be closely tracking the Delta strain.

(Mind you, I'm disappointed that a PhD would misuse an apostrophe the way this fellow does)


Good data, however admitted without the total cases only tells part of the story. I am not saying that there will not be a big strain on the healthcare system again and I am not saying we should all just say it's over and party like it's 2019. I am saying that I do not believe the dire scenarios attempting to be put forward will come to pass this time. But in the end only time will tell as this peak is going to be far higher than any we have seen before. Everyone should do their part, get vaccinated and maybe skip the massive NYE party this year.

 

K1052

Elite Member
Aug 21, 2003
46,757
34,634
136
Am I wrong or does this not suggest (strongly) that a full dose of Moderna's a better idea than the current 1/2 dose for a "booster?"

Response is going to be dose dependent but if 50 micrograms is protective then no point in using 100 since there will be likely lighter adverse effects and you can conserve vaccine at the lower dosage.
 

pmv

Lifer
May 30, 2008
13,271
8,197
136
Good data, however admitted without the total cases only tells part of the story. I am not saying that there will not be a big strain on the healthcare system again and I am not saying we should all just say it's over and party like it's 2019. I am saying that I do not believe the dire scenarios attempting to be put forward will come to pass this time. But in the end only time will tell as this peak is going to be far higher than any we have seen before. Everyone should do their part, get vaccinated and maybe skip the massive NYE party this year.

View attachment 54657


What I find frustrating is I can't work out where the most up-to-date data is. The UK government site


...is confusing, as when I look at any given area it mostly says the data is for the week ending 14 December...but the numbers seem to change day-by-day, suggesting it's being updated more regularly than that.

Also their colour coding for case-rates really needs to be updated, as the highest band it has is 800+ per 100k, and most of London is now at double that.

In fact many parts of London now seems to have case rates of 2%, according to that - and that's apparently actual positive tests, not modelled overall infection rates. Presumably actual infection rates are even higher. If it really is increasing at the rate of doubling every 1.5 days - as reports keep saying - it's going to reach 100% by boxing day (edit - assuming the 14 Dec date for the current figures is correct, which I'm not sure it is). But I don't know if I'm understanding that claim correctly. I think maybe I've misunderstood something. It's hard to believe that _everyone_ in my neighbourhood will have COVID by boxing day (I mean, is it going to creep under my door and get me as well? Even if I don't go out?)

Edit - OK, I reckon the thing with the data on that site is it follows 5 days or so behind the current date. So it gets updated each day but is always just under a week behind.
 
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Zorba

Lifer
Oct 22, 1999
14,834
10,235
136
Am I wrong or does this not suggest (strongly) that a full dose of Moderna's a better idea than the current 1/2 dose for a "booster?"
In Phase 1 Moderna looked at a single 250 mg dose. IIRC it had just as good immunity as the two 100 mg, but with much higher side effects. I think the booster size is a similar trade off, more people will get it, if it has fewer side effects.
 

dullard

Elite Member
May 21, 2001
25,204
3,617
126
Says cases are doubling every 1.5 days in London.

Coupled with the fact that in most of inner London now the case numbers are between 1.2 and 1.5% of the population - does that mean that in 9 days it will have increased by a factor of 64, i.e. to 77-96% of the population, so by the new year _everyone_ in the city will be infected?
Exponential growth ALWAYS has a practical limit. Things cannot physically double forever. Even though rabbits double frequently, we don't have piles of rabbits covering the earth's surface to the depth of the moon or beyond. Something limits the number of rabbits. It could be lack of food, predators, rabbit diseases, or even just the massive weight of rabbits above them. Something slows the exponential growth.

In reality, while growth may look exponential at the start, it is usually S-shaped. The key is at what point do the two lines diverge?

When it comes to Covid, if you are the first with Omicron then you could theoretically spread it to all your family, all your friends, and all your colleagues. You could initially cause the number of Omicron cases to double every ~1.5 days. But, your family can't do the same. Their family already has Omicron from you. Thus they can't spread it to family like you did. Same with your friends and coworkers, you already infected most of their friends and coworkers so their average rate of doubling is LESS than yours. It may start as doubling every 1.5 days, but it will slow down over time.

Any math that doesn't include the natural limit to growth will be wrong. That includes your math of 77% to 96% of the population in 9 days.
 
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Reactions: Zorba

local

Golden Member
Jun 28, 2011
1,851
512
136
Exponential growth ALWAYS has a practical limit. Things cannot physically double forever. Even though rabbits double frequently, we don't have piles of rabbits covering the earth's surface to the depth of the moon or beyond. Something limits the number of rabbits. It could be lack of food, predators, rabbit diseases, or even just the massive weight of rabbits above them. Something slows the exponential growth.

In reality, while growth may look exponential at the start, it is usually S-shaped. The key is at what point do the two lines diverge?

When it comes to Covid, if you are the first with Omicron then you could theoretically spread it to all your family, all your friends, and all your colleagues. You could initially cause the number of Omicron cases to double every ~1.5 days. But, your family can't do the same. Their family already has Omicron from you. Thus they can't spread it to family like you did. Same with your friends and coworkers, you already infected most of their friends and coworkers so their average rate of doubling is LESS than yours. It may start as doubling every 1.5 days, but it will slow down over time.

Any math that doesn't include the natural limit to growth will be wrong. That includes your math of 77% to 96% of the population in 9 days.

And considering how fast Omicron is moving we may not be able to gather enough data to chart that growth curve until it is already over. What I am seeing right now though is lots of people taking the 1.5 day doubling time and applying it without limit that leads to excessive worry.
 

dullard

Elite Member
May 21, 2001
25,204
3,617
126
And considering how fast Omicron is moving we may not be able to gather enough data to chart that growth curve until it is already over. What I am seeing right now though is lots of people taking the 1.5 day doubling time and applying it without limit that leads to excessive worry.
Omicron hit Norway and Denmark first, so we at least have some additional data to go on:

We should worry about it. But I just see exponential growth claims always failing (in any topic), so I wanted to explain why.
 

pmv

Lifer
May 30, 2008
13,271
8,197
136
Exponential growth ALWAYS has a practical limit. Things cannot physically double forever. Even though rabbits double frequently, we don't have piles of rabbits covering the earth's surface to the depth of the moon or beyond. Something limits the number of rabbits. It could be lack of food, predators, rabbit diseases, or even just the massive weight of rabbits above them. Something slows the exponential growth.

In reality, while growth may look exponential at the start, it is usually S-shaped. The key is at what point do the two lines diverge?

When it comes to Covid, if you are the first with Omicron then you could theoretically spread it to all your family, all your friends, and all your colleagues. You could initially cause the number of Omicron cases to double every ~1.5 days. But, your family can't do the same. Their family already has Omicron from you. Thus they can't spread it to family like you did. Same with your friends and coworkers, you already infected most of their friends and coworkers so their average rate of doubling is LESS than yours. It may start as doubling every 1.5 days, but it will slow down over time.

Any math that doesn't include the natural limit to growth will be wrong. That includes your math of 77% to 96% of the population in 9 days.


They say it's partly because such a large number of people in inner London are still unvaccinated. In contrast to the US, where it seems like it's mostly white rural conservatives who haven't been jabbed, it seems as if here it's mainly a problem of urban areas with large ethnic minority populations (those areas are also younger, so haven't been prioritised, and also are more transient so harder to keep track of to offer vaccines to, but it's clear there's a lot of suspicion of vaccines as well).
So maybe it's growing rapidly because it's burning through a large pool of the unvaccinated, and will slow when it runs out of those to infect?

Really the frustrating thing seems to be that it's almost never possible to reliably predict the future, no matter how good the science gets.
 

Muse

Lifer
Jul 11, 2001
37,828
8,301
136
Amazing. Seems maybe 10 days ago the first omicron cases were discovered in the US and today the dominant strain?

Edit: OK, it was Dec. 1. So in less than 3 weeks it went from one known case to the dominant strain.
 
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dullard

Elite Member
May 21, 2001
25,204
3,617
126
Amazing. Seems maybe 10 days ago the first omicron cases were discovered in the US and today the dominant strain?

Edit: OK, it was Dec. 1. So in less than 3 weeks it went from one known case to the dominant strain.
Delta was slowing down. The bulk of Covid waves tend to be about 3 months long with then a slow lingering tail of cases. Delta peaked in the US back in September and was clearly getting significantly lower in cases by Dec 1 in the US.

Omicron is amazingly fast at spreading. The daily cases in the US have gone up almost 2X in the last week!
 

pmv

Lifer
May 30, 2008
13,271
8,197
136
Amazing. Seems maybe 10 days ago the first omicron cases were discovered in the US and today the dominant strain?

Edit: OK, it was Dec. 1. So in less than 3 weeks it went from one known case to the dominant strain.


Fastest rise to dominance since Afghanistan and the Taliban.
 

dullard

Elite Member
May 21, 2001
25,204
3,617
126
Edit - OK, I reckon the thing with the data on that site is it follows 5 days or so behind the current date. So it gets updated each day but is always just under a week behind.
It is a 7-day rolling average. Rolling averages have some good benefits: they are updated frequently and they smooth out artificial noise. For example, some places around the world do not report Covid numbers on the weekends. Thus the numbers look bigger during the week (especially around Thursday or Friday when Monday test data is entered) and look smaller on weekends. A 7-day rolling average means that artificial spike and artificial plunge every week are completely eliminated without any special effort.

But, the drawback is that simple rolling averages are always behind. Today's data will be averaged in with data from 6 days ago. It takes almost a full week for today's data to be fully counted. Below is an example with a spike in numbers on day 5 and the rolling average doesn't fully reflect it until day 11:

Day123456789101112
Actual #101010102020202020202020
7-day Rolling Average101010101213.3314.2915.7117.1418.572020
 

pmv

Lifer
May 30, 2008
13,271
8,197
136
It is a 7-day rolling average. Rolling averages have some good benefits: they are updated frequently and they smooth out artificial noise. For example, some places around the world do not report Covid numbers on the weekends. Thus the numbers look bigger during the week (especially around Thursday or Friday when Monday test data is entered) and look smaller on weekends. A 7-day rolling average means that artificial spike and artificial plunge every week are completely eliminated without any special effort.

But, the drawback is that simple rolling averages are always behind. Today's data will be averaged in with data from 6 days ago. It takes almost a full week for today's data to be fully counted. Below is an example with a spike in numbers on day 5 and the rolling average doesn't fully reflect it until day 11:

Day123456789101112
Actual #101010102020202020202020
7-day Rolling Average101010101213.3314.2915.7117.1418.572020


I don't think that's how it works with that site, at least that's not the whole explanation. If you look at what it says when you click on an area, it (currently) states

Seven days to 15 December 2021

So even if it is a 'rolling 7 day average' it is still looking at the seven days that ended 6 days ago. I was thinking maybe it only updates every week, but then noticed the figures changing on a daily basis, but that date is always 5-6 days behind.

Honestly I'm not sure what the figures it shows actually are. It lists total cases, the increase (I presume over that 7 day period?), and the per-100k case rate for the neighbourhood (presumably all current unresolved cases? Or a culmulative total of all cases, resolved-or-not?).

Edit - ha, they've just recalibrated the colour-bands in order to add in a new higher category for 1600 or more cases per 100k.
 
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ultimatebob

Lifer
Jul 1, 2001
25,135
2,445
126
I really wish that Papa Joe would stop telling people that the vaccination will protect people from illness. It's not really true... you can still get sick from COVID even if you fully vaccinated and got the booster shot. You're much less likely to die from it, but we need to stop pretending that the vaccination is a shield from infection.
 
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MrSquished

Lifer
Jan 14, 2013
21,860
20,184
136
I really with that Papa Joe would stop telling people that the vaccination will protect people from illness. It's not really true... you can still get sick from COVID even if you fully vaccinated and got the booster shot. You're much less likely to die from it, but we need to stop pretending that the vaccination is a shield from infection.
So the vaccine can prevent you from getting sick from the virus or getting too sick, but that's not protecting from illness.

How does that work?
 

shortylickens

No Lifer
Jul 15, 2003
82,854
17,365
136
I really with that Papa Joe would stop telling people that the vaccination will protect people from illness. It's not really true... you can still get sick from COVID even if you fully vaccinated and got the booster shot. You're much less likely to die from it, but we need to stop pretending that the vaccination is a shield from infection.
You know who says the vaccine is a shield?
Republicans.
When they are lying about vaccines.
Which is all the fucking time.
 
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uclaLabrat

Diamond Member
Aug 2, 2007
5,578
2,912
136
I really with that Papa Joe would stop telling people that the vaccination will protect people from illness. It's not really true... you can still get sick from COVID even if you fully vaccinated and got the booster shot. You're much less likely to die from it, but we need to stop pretending that the vaccination is a shield from infection.
It is absolutely true: the vaccine can prevent you from getting infected when exposed to the virus. It literally reduces risk at every point in the transmission/illness chain.
 

Torn Mind

Lifer
Nov 25, 2012
11,782
2,685
136
I really with that Papa Joe would stop telling people that the vaccination will protect people from illness. It's not really true... you can still get sick from COVID even if you fully vaccinated and got the booster shot. You're much less likely to die from it, but we need to stop pretending that the vaccination is a shield from infection.
Gubment needs the tax revenue from business activities and needs dumb people to believe in stupid things to fuel businesses. The way to do that is to get people's guards down. The experts always know that it is no force field. But the media and "actions" by the likes of the CDC leads people to infer that's all good to let their guards down. So, young, healthy, and vaccinated do their thing with not much ill effects, but "spreading" still occurs amongst the population and by the time someone tests positive, at least a few days have passed where the virus has grown and spread elsewhere, and by chance alone, might hit a few more vulnerable people who die or get hospitalized.

It's basically trying to overstate the effects of a vaccine that combats a species of virus that mutates and will come back like the common cold.

Vaccination is basically insurance. No different from a policy or product. Insurance doesn't stop a car accident; it just makes sure that if someting happens, there's a process for payout. Roadside assitance is insurance, but a product also can be one as well. Tire plugs can be a low-cost fix in certain situations. Just because one can call a tow doesn't mean not being able to insert a tire plug and have a little compressor in the car.

Likewise, having the vaccine doesn't means other issues should not be addressed. These other issues are not being pushed by the news because the diseases of diabetes, heart disease, etc are the result companies wanting to make money. If the vaccine can suppress the dying and system strain while still letting people eat like pigs, get sick and insulin resistant, that is actually what the government really wants. Society could do well with a Vitamin D supplement subsidy, or having a temporary EBT allowance to buy D3.

Government is more than happy to live with COVID provided that the suffering and death can be offloaded solely onto private individual's heads. COVID has wiped out "costly" people, the old, and disabled, and "undesirables", in a manner that cannot be called unethical. This cures the "inverted population pyramid".
 
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Captante

Lifer
Oct 20, 2003
30,305
10,803
136
Connecticut daily positivity-rate Tues was 9%


(and we really do have some nut-jobs around here)
 
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