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More evidence for the safety of COVID mRNA vaccines


The National Academies of Sciences, Engineering, and Medicine (NASEM), one of the most prestigious scientific organizations on this planet, has issued a report that has rejected a causal relationship between COVID mRNA vaccines and several severe adverse events. This is more scientific evidence of the safety of the mRNA COVID vaccines.

The repeated tropes and claims about the safety of the COVID mRNA vaccines have always been based on anecdotes, misuse of VAERS data, and unscientific claims, but real science has always supported the fact that the mRNA COVID vaccines were safe.

This article will review the report from the National Academies and what it tells us about the safety of these vaccines. It may help someone who is on the fence about the vaccines to decide to protect themselves and their families from the still-dangerous COVID-19.

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Photo by Artem Podrez on Pexels.com

National Academies report on the safety of mRNA COVID vaccines

In a report published in April 2024 by a Committee of the National Academies of Sciences, Engineering, and Medicine, the independent reviewers examined all of the data published regarding the Pfizer-BioNTech BNT162b2 and Moderna mRNA-1273 (Comirnaty and Spikevax, respectively) COVID vaccines.

The Health Resources and Services Administration (HRSA) had requested this review from NASEM, an independent organization, to address claims for compensation for COVID vaccine claims under its Countermeasures Injury Compensation Program. This federal program provides compensation for injuries from pandemic, epidemic, or security countermeasures, which include the COVID vaccines.

The reviewers rejected a causal relationship between the two COVID mRNA vaccines and:

The evidence was also deemed enough to reject a causal link between the Comirnaty and ischemic stroke, a type of stroke caused by blood clots. There was insufficient data to say the same for Spikevax — this does not mean it’s possible, it just means that there was enough evidence to support or reject the link.

The link between the mRNA vaccines and myocarditis, an inflammation of the heart muscle, has been established in high-quality research. However, cases of myocarditis are mostly mild with quick recovery. Myocarditis is mostly found in men and adolescent boys. A recent study in Oregon found that there were no excess sudden cardiac deaths among young people soon after receiving COVID mRNA vaccines.

The independent reviewers also analyzed data regarding these other potential adverse effects and could not find evidence supporting or rejecting a causal link:

As I mentioned above, the lack of evidence doesn’t mean that there may be a link. The independent reviewers examined all possible adverse events, and they couldn’t find anything. It is possible these events could be extremely rare after vaccination so they may never show up in a study. I know it looks like a scary list, but it’s just a list of possible events for which there is evidence that they are linked to COVID mRNA vaccines.

A more general investigation also established a general causal relationship between the intramuscular administration of routinely administered vaccines and various shoulder injuries:

  • Subacromial/subdeltoid bursitis caused by direct injection into the bursa
  • Acute rotator cuff or acute biceps tendinopathy caused by direct injection into or adjacent to a tendon
  • Bone injury caused by direct injection into or adjacent to the bone
  • Axillary or radial nerve injury caused by direct injection into or adjacent to the nerve

Of course, these injuries are not linked to the vaccine but to the injection by needle of the vaccine.

Summary

This independent review of adverse events and the COVID mRNA vaccines shows that these vaccines are extraordinarily safe. The reviewers show that there is no link between the vaccines and the most common adverse events attributed to COVID mRNA vaccines, save for myocarditis.

And the reviewers could find no link between the vaccines and extremely rare adverse events, although they had inadequate evidence to come to a firm conclusion.

This is just more evidence that the COVID mRNA vaccines are safe, and we have science to back it up.

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Michael Simpson

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