"Mild/severe" for covid was initially based on respiratory symptoms only and the risk of developing respiratory failure. Covid can, easily, be a severe disease. It can be deceptive, as life-threatening problems like "silent hypoxia" or coagulopathy might be pauci-symptomatic
Vaccination status, the variant from which you are infected, prior immunity, your health status etc. can make a difference in short- and long-term outcomes. But covid overall is not a mild disease. It caused one of the most devastating pandemics in human history
One of the first publications in the world openly tackling the narrative around "mild covid" here by @felicitycallard | out in May 2020
#MildCovid was one of the first hashtags covid patients used ironically in early 2020 to underline how public and medical descriptions of "mild" didn't really capture the reality of the disease people were experiencing
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Analysis of nearly 1 million Danish health records found that patients who tested positive for SARS-CoV-2 were, later, more likely to be diagnosed with Alzheimer’s disease, Parkinson’s disease, and stroke.
The role of viral and other infections as potential triggers/ drivers/ contributors to Alzheimer's disease is a topic of great discussion in biomedical research | e.g.
I am somewhat suspicious the folks at the unmasked #LongCovid seminar below aren't discussing fibrosis, hypoxemia, thrombosis, myocardial ischaemia, multi-organ damage, micro-clotting, pulmonary embolism, premature death? Otherwise, they wouldn't be so cavalier about their masks
And yes, all of the above is attested in #LongCovid including fatal events down the disease course
Increased risk of death and multidimensional sequelae in #LongCovid including in young people with "mild" disease at onset | @Nature | VA sample | out in spring 2021
....the levels of which ebb and flow with the seasons, usually peaking in winter and typically reinfecting people every three years or so"
We are actually seeing multiple reinfections in a short time span and a summer wave. With a lot of deaths and #LongCovid
It's not a "cold"
More importantly, for our situation now
"BA.4 and BA.5 carry their own unique mutations, including changes called L452R and F486V in the viral spike protein that might tweak its ability to latch onto host cells and skirt some immune responses."
Looking into some studies | this 2021 in @FrontiersIn shows multiple abnormal parameters, including higher serum ferritin levels, raised ddmer. It's ~2 months in #LongCovid i.e. closer to "acute" / "hyperinflammation" phase | 75 patients | hospitalized
High levels of ferritin in the early phase of #LongCovid | 2020
"Alterations of iron homeostasis can persist for at least 2 months after the onset of covid and are closely associated with non-resolving lung pathologies and impaired physical performance."
This whole thread with comments. NHI/US top researchers complaining about how difficult solving #LongCovid is.
Sorry to be blunt NHI! All early information on Long Covid was provided by patients themselves working in horrible health conditions with no funding
Patients, often left at home in life-threatening conditions in early 2020, pierced together their symptoms, signs, medical data. They showed covid wasn't a mild, short respiratory illness even in the young. Many paid for their own clinical tests, which led to key discoveries
This includes the cardiovascular aspects of #LongCovid, coagulopathy, autoimmunity, hypoxia, arthritis etc.
With all due respect, if the NHI with a 1 + billion dollars endowment can't do better, maybe time for new researchers, new projects, new leaders?
As *we* in advocacy have said a hundreds of times, most people don't even know #LongCovid exists. Most aren't "scared" at all: policy makers didn't inform the public about the long-term effects of SARS2. This is because, otherwise, people wouldn't complain with mass infection
The reality in-depth scientific evidence paints is actually much darker than analysis of codes and healthcare databases shows. Of course, I want to be clear. I don't mean everyone is dropping dead after SARS-CoV-2 infection! Not everyone will have severe symptoms
Not everyone will develop life-threatening covid-related sequelae or will become disabled. But some will. Many will remain with subclinical ("silent") vulnerabilities that could lead to severe events or disease later in life