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Originally Posted by mostpost
Covid 19 causes heart injury at a far greater rate than the vaccine. Studies are incomplete, but early indications are that as many as 40% of Covid sufferers have had some degree of heart damage.
Also the number of heart related deaths among athletes has remained fairly consistent for decades. The only difference is now they are receiving much more attention.
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LOL.
The largest observational study of its type that I am aware of comes from Israel.
The observations were made between March 2020 and January 2021 before the mRNA Vaccines were rolled out in a big way. This made it easy to exclude the vaccinated from the observation data, which the researchers did, and end up with a large number of study cohorts, which the researchers also did (retrospective study cohort 196,992 adults and control cohort 590,976 adults.)
This is the money quote from the study Abstract:
Quote:
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Post COVID-19 infection was not associated with either myocarditis (aHR 1.08; 95% CI 0.45 to 2.56) or pericarditis (aHR 0.53; 95% CI 0.25 to 1.13).
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The full study was published in The Journal of Clinical Medicine here:
The Incidence of Myocarditis and Pericarditis in Post COVID-19 Unvaccinated Patients—A Large Population-Based Study:
https://www.mdpi.com/2077-0383/11/8/2219
An abbreviated version can also be found on the NIH.gov site here:
The Incidence of Myocarditis and Pericarditis in Post COVID-19 Unvaccinated Patients—A Large Population-Based Study:
https://pubmed.ncbi.nlm.nih.gov/35456309/
Quote:
Abstract
Myocarditis and pericarditis are potential post-acute cardiac sequelae of COVID-19 infection, arising from adaptive immune responses. We aimed to study the incidence of post-acute COVID-19 myocarditis and pericarditis. Retrospective cohort study of 196,992 adults after COVID-19 infection in Clalit Health Services members in Israel between March 2020 and January 2021. Inpatient myocarditis and pericarditis diagnoses were retrieved from day 10 after positive PCR. Follow-up was censored on 28 February 2021, with minimum observation of 18 days. The control cohort of 590,976 adults with at least one negative PCR and no positive PCR were age- and sex-matched. Since the Israeli vaccination program was initiated on 20 December 2020, the time-period matching of the control cohort was calculated backward from 15 December 2020. Nine post-COVID-19 patients developed myocarditis (0.0046%), and eleven patients were diagnosed with pericarditis (0.0056%). In the control cohort, 27 patients had myocarditis (0.0046%) and 52 had pericarditis (0.0088%). Age (adjusted hazard ratio [aHR] 0.96, 95% confidence interval [CI]; 0.93 to 1.00) and male sex (aHR 4.42; 95% CI, 1.64 to 11.96) were associated with myocarditis. Male sex (aHR 1.93; 95% CI 1.09 to 3.41) and peripheral vascular disease (aHR 4.20; 95% CI 1.50 to 11.72) were associated with pericarditis. Post COVID-19 infection was not associated with either myocarditis (aHR 1.08; 95% CI 0.45 to 2.56) or pericarditis (aHR 0.53; 95% CI 0.25 to 1.13). We did not observe an increased incidence of either pericarditis or myocarditis in adult patients recovering from COVID-19 infection.
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If you are aware of a study of this type with a large number of study cohorts using observational data BEFORE the mRNA Vaccines were rolled out in a big way that says otherwise:
I would love to see it.
-jp
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