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The biology of coronavirus COVID-19 - including research and treatments

Discussion in 'Epidemics (including Covid-19, not Long Covid)' started by Trish, Mar 12, 2020.

  1. rvallee

    rvallee Senior Member (Voting Rights)

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    Besides the obvious immediate harm from doing something this foolish, this will also be a massive boon to the anti-vaccine movement. It's impossible to overstate how damaging to public perception of vaccines releasing a likely invalid, for lack of proper testing, vaccine will be.

    This is very likely to be a done deal. If not this one it may be another one, politics are driving the issue and no one is willing and able to stop this, the personal risk is too high.

    Thanks, Richard Horton, for having released this genie out into the wild. That he is still the editor of the Lancet is one of the most catastrophic errors of judgment I have seen from a supposedly serious institution.

    https://twitter.com/user/status/1300120040549879810
     
  2. FMMM1

    FMMM1 Senior Member (Voting Rights)

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    MEMarge, Amw66 and merylg like this.
  3. Wits_End

    Wits_End Senior Member (Voting Rights)

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    I'm becoming very concerned by reports coming out of the USA that there is pressure to get a vaccine out by the beginning of November (remind me what the election date is, please, someone?) Here's an example:

    http://www.msn.com/en-gb/news/us/cd...tion-running-by-nov-1/ar-BB18E2QN?ocid=ASUDHP

    If the situation is as politicised as it appears to be becoming, then I find that absolutely appalling - public bodies shouldn't be partisan in such a case, in particular when lives are at stake. I hope no corners will be cut.
     
    Last edited by a moderator: Sep 4, 2020
  4. rvallee

    rvallee Senior Member (Voting Rights)

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    MEMarge, ScottTriGuy and NelliePledge like this.
  5. Mij

    Mij Senior Member (Voting Rights)

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    Post copied from the Possibility of ME or PVFS after COVID-19 thread

    Last night on CNN Chris Como interviewed Dr. William Li who says it appears that COVID is a 'blood vessel disease' causing severe damage to the vascular system, which would explain why the virus seems to be affecting all organs.

    Dr Li is an internal medicine physician and a research scientist—specifically a vascular biologist. He’s been actively involved in angiogenesis research and clinical analysis for more than two decades. Angiogenesis is the development of new blood vessels and Dr. Li is one of the world’s leading experts in this field.
     
    Last edited by a moderator: Sep 6, 2020
    MEMarge likes this.
  6. Amw66

    Amw66 Senior Member (Voting Rights)

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    FMMM1, MEMarge, rvallee and 2 others like this.
  7. Snow Leopard

    Snow Leopard Senior Member (Voting Rights)

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    Broad and strong memory CD4+ and CD8+ T cells induced by SARS-CoV-2 in UK convalescent individuals following COVID-19
    https://www.nature.com/articles/s41590-020-0782-6

    Notably:
    This contradicts the suggestion by Mateus et al. and Grifoni, A. et al. who suggested there was partial T-cell immunity acquired from prior coronavirus infections. I previously wondered whether this was merely naive T-Cell cross reactivity, or low-affinity reactivity and would not provide a robust immune response.

    https://science.sciencemag.org/content/early/2020/08/04/science.abd3871
    https://www.cell.com/cell/fulltext/S0092-8674(20)30610-3

    Note that this was in a "brain organoid" (in-vitro) model. Thus, it is only suggestive of what could happen to real people and says nothing about how common this may be.
     
    Amw66, hinterland, Michelle and 3 others like this.
  8. Cheshire

    Cheshire Moderator Staff Member

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    4,675
    Coronavirus research updates: Powerful new evidence links steroid treatment to lower deaths

    https://www.nature.com/articles/d41586-020-00502-w
     
  9. Mij

    Mij Senior Member (Voting Rights)

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    The best part is that the cost of the steroid drug is cheap.
     
  10. Snow Leopard

    Snow Leopard Senior Member (Voting Rights)

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    Yes, affordable and widely available for the rest of the world (Asia, South America)! Compared to Remdesivir which costs over $5000 and doesn't save lives...
     
    MEMarge, ladycatlover, Mij and 3 others like this.
  11. Leila

    Leila Senior Member (Voting Rights)

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    Michelle likes this.
  12. Jonathan Edwards

    Jonathan Edwards Senior Member (Voting Rights)

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    FMMM1, rainy, Webdog and 7 others like this.
  13. John Mac

    John Mac Senior Member (Voting Rights)

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    https://www.bbc.co.uk/news/world-54082192

    Amazing isn't it, one patient has a suspected adverse reaction of unknown cause and they pause the whole trial.
    Yet people dropped out of the PACE study and they just carried on as if nothing had happened.
     
    Webdog, MEMarge, Michelle and 14 others like this.
  14. Snow Leopard

    Snow Leopard Senior Member (Voting Rights)

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    The adverse reaction has to be in the "serious" category for them to call a halt. It could be a coincidence, e.g. someone suffering from a stroke, or it could be a reaction that is probably associated with the vaccine (Guillain Barre Syndrome).

    I'm not sure how many people they have enrolled so far, but if 10,000+, a coincidence might not be unheard of.

    The Phase 2 trial had a high proportion of people suffering from headache, fever, so I still wonder about (rare) serious immunological reactions.

    edit - I should have read the article, as it had a new report about the underlying condition that wasn't a part of previous news reports.
    edit 2 - Is this a second case of transverse myelitis or is the earlier (July) case being cited incorrectly?
     
    Last edited: Sep 9, 2020
    MEMarge, Michelle, Wits_End and 5 others like this.
  15. John Mac

    John Mac Senior Member (Voting Rights)

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    Transverse myelitis is an inflammation of both sides of one section of the spinal cord. This neurological disorder often damages the insulating material covering nerve cell fibers (myelin). Transverse myelitis interrupts the messages that the spinal cord nerves send throughout the body.
     
    MEMarge, Michelle, merylg and 5 others like this.
  16. Snow Leopard

    Snow Leopard Senior Member (Voting Rights)

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    Ah, the news reports earlier today did not report the actual condition.

    Transverse myelitis is similar to Guillain Barre Syndrome and sometimes GBS is misdiagnosed as Transverse myelitis or vice versa.

    https://www.bioscience.org/2004/v9/af/1351/fulltext.php?bframe=tables.htm
    https://www.nature.com/articles/cmi2017142

    And sometimes they occur at the same time...

    https://www.cureus.com/articles/370...myelitis-of-unknown-etiology-in-an-adolescent
    https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5177703/
    https://adc.bmj.com/content/102/Suppl_1/A152.1.info
     
    Last edited: Sep 9, 2020
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  17. Mij

    Mij Senior Member (Voting Rights)

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  18. Andy

    Andy Committee Member

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    Discovery of four COVID-19 risk groups helps guide treatment
    https://www.ukri.org/news/discovery-of-four-covid-19-risk-groups-helps-guide-treatment/

    Discussion thread for study, Risk stratification of patients admitted to hospital with covid-19 using the ISARIC WHO Clinical Characterisation Protocol, 2020, Knight et al
     
  19. Michelle

    Michelle Senior Member (Voting Rights)

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    Medscape: Unexpected Results in New COVID-19 'Cytokine Storm' Data

     
    merylg, MeSci, Sly Saint and 3 others like this.
  20. Snow Leopard

    Snow Leopard Senior Member (Voting Rights)

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    Last edited: Sep 12, 2020

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