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COVID-19

Discussion in 'General Chat' started by king karl, Feb 15, 2020.

  1. Fordy117

    Fordy117 Just call me Mr Flip-Flop!
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    Its whats been mentioned.
     
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  2. Aleman

    Aleman Fringe Player

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    It's just one of a few numbers I track. Some countries in Europe are giving lower mortality rates and some higher. The key factor is that they seem to all still be trending down, which was the main point of the post.

    Scientists know what the death rate is? The US Centre for Disease Control estimates have gone from 3.4% to 2.0% to 0.26% to 0.65%.

    https://in.dental-tribune.com/news/new-estimate-by-the-cdc-brings-down-the-covid-19-death-rate-to-just-0-26-as-against-whos-3-4/


    We could have had 5m people infected or 25m. We don't know.
     
  3. Aaron Baker

    Aaron Baker Impact Sub

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    You're right, "know" was too strong of a strong word but they're best placed to gather the info that's for sure but even for them it is imperfect. For a layman it's basically impossible, especially with so many moving parts and complicating factors.

    However I'm quite happy that it's going down although we need to remember that even if it gets down to the level of a "bad flu" that's not a reason for removing controls. If we didn't have a vaccine for flu we'd probably have controls for that as well.
     
  4. Aleman

    Aleman Fringe Player

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    Flu vaccines don't make that big a difference. A small difference is quite a lot of lives and illness spared,though, making them worthwhile but their overall effect on a flu outbreak and how society operates is very modest. In an effective vaccine year, they maybe stop 10%+ of cases. In a bad year, it's can be almost negligible. We would not have controls for flu without vaccines, except for the rare pandemic years like 1968's Hong Kong Flu. (Then we could start the discussion about how many people the controls kill.)

    https://www.pharmacytimes.com/publications/supplements/2019/July2019/influenza-vaccine-efficacy-through-the-years

    The CDC uses a mathematical model to measure the disease burden of flu on affected patients. Analyses of flu illnesses, medical visits, hospitalizations, and deaths are typically used to create season-specific data on burden of disease, vaccine coverage, and VE. During the 2017-2018 flu season, for example, the vaccine was 38% effective.4 That season was severe among all age groups in the United States and led to an estimated 48.8 million cases of flu, 959,000 hospitalizations, and 79,400 deaths.5 Conversely, an estimated 7.1 million illnesses, 109,000 hospitalizations, and 8000 deaths were prevented as a result of flu vaccinations.1,4,5
     
    #6584 Aleman, Sep 17, 2020
    Last edited: Sep 17, 2020
  5. Stafford Bantam

    Stafford Bantam Captain
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    We have a reasonable idea how many have had the virus from the antibody study led by Imperial College (over 100,000) sampled.

    As at the end of June, the study showed that approximately 3.4 million people in England had had the virus, ranging from 3% of the population in the South West to 13% in London.

    Now given the number of deaths we had had at that time, suggests a mortality rate of around 1.2%. Of course, there are all sorts of variables (e.g. age profiles of those catching the virus) that could push that figure up or down, but I think 1.2% is a good starting point.

    Imperial College are now leading a new study, this time sampling 200,000 people. This one is of particular interest to me, as I was one of those tested this week.

    Given, what we have learnt about the virus in the last couple of months, and given the improved treatments, I would expect that any mortality rate, calculated on the results of the new study, to be lower than last time.
     
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  6. Aleman

    Aleman Fringe Player

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    That does not tell you how many were infected. It just tells you how many had detectable antibodies at that time and it has been falling.. Antibodies fade. The figures were higher earlier at 7% of the UK population and that higher level would set the low limit. It's quite possible that maybe 10% had testable antibodies had they all been tested at their peak antibodies. Also, an unknown number fight the virus off without even producing a testable level of antibodies. It's quite possible that 6 or 7m had antibodies at some point and another 15m never needed to resort to antibodies to fight of the virus. As I said, we could have had 5m infected or 25m. We don't know. Excess deaths are in the range 30-50k after adjusting for the baby boomer effect. (UK 2020 deaths would have been around 21k higher than the 5-year average just due to the rising numbe of old people, plus a bit for the trend of rising dementia deaths.). That means the Covid mortality rate is somewhere between 0.12% and 1.0%.


    Are you talking about the Covid-19 Infection Pilot Survey of households that is now expanding into Wales, Scotland and NI? It said they were increasing to 150k by October. It's their estimates I was using to calculate a mortality rate of 0.42% for England earlier.
     
  7. Stafford Bantam

    Stafford Bantam Captain
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    The study I am referring to is a study led by Imperial College, involving the NHS, which is limited to England only. It is currently looking for the presence of two types of antibodies (one short lasting and one longer lasting), which indicated that you have been infected by the virus.

    You are quite right regarding some of the variables you mentioned and, as more studies are conducted, we may be able to refine the figures. However, I want to start with what we know, rather than assuming all sorts of variables, even if they are reasonable assumptions to make. So my starting point is how many people showed the relevant antibodies in the previous study and the number of COVID-19 deaths (based on 'official' figures; another variable we could argue about).

    So, as I said 1.2% is a starting point, not a final answer. You have provided some valid arguments as to why that figure could be a lot lower (there are also some that could lift the figure).

    As I said, in my previous post, I expect the figure to be lower after the next study, but I firmly believe that, with this virus, caution is the best approach and so I will stick to the 1.2% until further studies revise the figure, hopefully downwards.

    On a different note, I'm expecting at least two vaccine announcements next month.
     
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  8. Aaron Baker

    Aaron Baker Impact Sub

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    Not going to get into a discussion about the effectiveness of the because I don't know enough about it and I'm guessing we can find conflicting evidence all over the place.

    Whatever the number is, we still have one, we still worked to get one, governments still spend money providing one, they offer some protection. Logically even if Covid has the same rate (which is a positive estimate ATM) then we'd also need some protection from that either medically or behaviorally.
     
  9. Nottsy

    Nottsy Squad Player

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    Lads, which demographic are we blaming for the latest round of lockdown measures?
     
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  10. Edin Nowhere

    Edin Nowhere Impact Sub
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    How lockdown restrictions are decided upon,

    [​IMG]

    Draw them out at random and see what happens. Leeds with a rate higher than Newcastle has so far carried on with national restrictions whilst Newcastle will be issued with a 10pm Curfew.

    Liverpool with a rate well over 100 per 100k again sees absolutely no restrictions, yet Bradford were locked down in July for heading over 40 per 100k.
     
  11. Aaron Baker

    Aaron Baker Impact Sub

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    i'm still blaming the under 40s. Gonna stick with that for a while longer!
     
  12. Tony Wilkinson

    Tony Wilkinson Squad Player
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    I reckon it's the 10 - 95's that are most responsible for it........
     
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  13. Campbell's soup

    Campbell's soup Impact Sub
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    Any reason to be ageist?
     
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  14. Tony Wilkinson

    Tony Wilkinson Squad Player
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    What's a geist ?
     
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  15. Campbell's soup

    Campbell's soup Impact Sub
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    German for 'ghost'.
     
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  16. Nottsy

    Nottsy Squad Player

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    Like most folk, I’ve given up trying to fathom what’s going on.
     
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  17. Bronco

    Bronco Star Player
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    I wonder if the BBC are behind it
     
  18. Stafford Bantam

    Stafford Bantam Captain
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    So what have I learnt today about the failure of our world class testing system:
    • The government didn't foresee that people returning to work and school would result in an increased demand for tests [Baroness Harding];
    • It's the fault of whoever decided to let all the schools reopen [Baroness Harding again]; and
    • we should all stop our endless carping [Jacob Rees-Mogg].
     
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  19. Dennis

    Dennis Captain
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    I'm expecting Baroness Dildo Harding to become a future scapegoat! She's oven ready for the job! ;)
     
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  20. Campbell's soup

    Campbell's soup Impact Sub
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    You not worked out that there is no scapegoat. We (the public) are the problem - doubtful there’s ever been a government so completely disconnected from the people.
     
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