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Stanford Medicine investigators have unearthed the biological process by which mRNA-based vaccines for COVID-19 can cause heart damage in some young men and adolescents.
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Vaccine-associated myocarditis occurs in about one in every 140,000 vaccinees after a first dose and rises to one in 32,000 after a second dose. For reasons that aren’t clear, incidence peaks among male vaccinees age 30 or below, at one in 16,750 vaccinees.
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However, Wu noted, if the inflammation is severe the resulting heart injury can be quite debilitating, leading to hospitalizations; ICU admissions for critically ill patients; and deaths, albeit rarely.
- https://med.stanford.edu/news/all-news/2...covid.html


IOW, the young and healthy should have never been exposed to this risk.
One in 16,750 odds sound pretty good to me. The odds of dying in a car crash are one in 107! But I'm not gonna quit driving because of that.
From the paper in the OP
https://med.stanford.edu/news/all-news/2...covid.html
Quote:Medical scientists are quite aware that COVID itself can cause myocarditis. To a lesser extent, so can the mRNA vaccines.
So???
(Dec 13, 2025 08:00 PM)Syne Wrote: [ -> ]

Stanford Medicine investigators have unearthed the biological process by which mRNA-based vaccines for COVID-19 can cause heart damage in some young men and adolescents.
...
Vaccine-associated myocarditis occurs in about one in every 140,000 vaccinees after a first dose and rises to one in 32,000 after a second dose. For reasons that aren’t clear, incidence peaks among male vaccinees age 30 or below, at one in 16,750 vaccinees.
...
However, Wu noted, if the inflammation is severe the resulting heart injury can be quite debilitating, leading to hospitalizations; ICU admissions for critically ill patients; and deaths, albeit rarely.
- https://med.stanford.edu/news/all-news/2...covid.html


IOW, the young and healthy should have never been exposed to this risk.

Yes, it's increasingly clear (to me, anyway) that vaccinations weren't really necessary for children and young people. They should have been targeted more specifically at high risk groups like the elderly and those with existing respiratory problems like COPD, for whom COVID represented a greater risk of death or severe disease.
Since the vaccines do not prevent you from contracting COVID, risk is compounded.

Yes, it is possible to get myocarditis from a COVID-19 infection even if you are vaccinated (a "breakthrough" infection).
- Google AI

Looking at the first graph here..
https://www.ons.gov.uk/visualisations/dv...index.html
In the UK the 12 to 24 year band emerge as 'spreaders'.
After the event it is certainly valid to ask why a controlling state might wish to target spreaders if they have a significantly lower death rate than the people they are infecting. IMHO it is just one of those things that will seem reasonable to some and unreasonable to others - with no hope of either view changing the other.
Some people call them "spreaders" while others call them the path to natural resistance/immunity, in which case, more infections speed up the process... if you have the good sense to only quarantine high-risk people.
That could have worked in the US. Difference in infection rates noted but the UK figures show hospital admissions for the 15-45 group are comparable to the 45-65 group - we treat sick people to prevent them from turning into dead people. The US may have more hospital beds available and young folks may be less likely to have insurance - the combination could have been enough. Any idea how long it would take to establish herd immunity in the 15-45 group .. bearing in mind new strains were appearing .. ?
New infections are actually the cause of new, less harmful strains. Since herd immunity usually requires resistance in 70-90% of the population, the faster that could have been done with the young and healthy, the better. But everything was done to restrict that. And universal healthcare likely had already trained people to run to the doctor/hospital for any little thing, without any assessment of seriousness... beyond the government/media fearmongering.
(Dec 14, 2025 03:51 AM)Syne Wrote: [ -> ]New infections are actually the cause of new, less harmful strains. Since herd immunity usually requires resistance in 70-90% of the population, the faster that could have been done with the young and healthy, the better. But everything was done to restrict that. And universal healthcare likely had already trained people to run to the doctor/hospital for any little thing, without any assessment of seriousness... beyond the government/media fearmongering.

So the myocarditis mentioned in the OP isn't a problem?
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