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by Grim-444
1312 days ago
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Flu shots also use a vaccine mechanism that's been known/used for decades and is not a first of its kind in history mRNA treatment. I feel like this difference would lead towards one requiring more testing than the other, at least in a rational society. [Edit] For anyone that wants to downvote this, please explain what I said that was untrue. Flu shots in the US have never been mRNA based. Covid shots in the US are mRNA based. Before covid, there was never at any point in history an mRNA based vaccine rolled out to the public. |
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>The true incidence of myocarditis after influenza vaccination may be underestimated because of the subclinical and nonspecific clinical manifestations of myocarditis. A prospective study about the incidence of cardiovascular adverse events after smallpox and influenza vaccination revealed that the rate of clinical or subclinical myocarditis and pericarditis after smallpox vaccination was approximately 1:5,500, despite the fact that the rate of troponin elevation was 1:200 [9]. Similarly, 2.6% of the influenza vaccine cohort showed new onset cardiac symptoms, such as chest pain, dyspnea, and palpitation, but no case of clinical or subclinical myocarditis and pericarditis