Pfizer and Moderna vaccines against Covid-19 would accelerate the appearance of new side effects

Pfizer and Moderna vaccines against Covid-19 would accelerate the appearance of new side effects

The possibility of developing a myocarditis and pericarditis would increase among those who apply the vaccines of Pfizer Yes modern versus Covid-19according to a study published in the specialized journal JAMA Cardiology. The results demonstrate that the risk of myocarditis after COVID-19 mRNA vaccines is higher in young men aged 16 to 24 after the second dose.

The survey was carried out by the Utilization and Information Division and the Swedish Medical Products Agency which they watched a volunteers from Denmark, Finland, Norway and Sweden for ten months. In any case, local specialists made it clear to PROFILE that it is more important to get vaccinated, because the risk of developing heart disease from contracting Covid-19 is greater and more serious.

The report takes into account the fact that among those observed “17,129,982 residents (74%) had received 2 doses and 1,681,930 residents (7%) had received 1 scoop vaccines against SARS-CoV-2″.

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“At the end of the study, 487,751 out of 1,238,004 (39%) people aged 12 to 15, 2,009,995 out of 2,675,558 (75%) people aged 16 to 24, 3,736,517 people of 5,046,164 (74%) aged 25-39, and 12,579,805 of 14,162,796 (89%) aged 40 or older had received at least 1 dose of a SARS-CoV- vaccine 2,” they added.

In the first 28 days, there were 105 people with myocarditis after the first dose of Pfizer and 115 after the second dose. There were 15 records, after administration of the first dose of modern and 60 myocarditis after the second dose.

Between 23,122,522 Northern residents (81% vaccinated at study end; 50.2% female), identified 1,077 incidents of myocarditis and 1,149 incidents of pericarditis“, details the study. According to the data produced by the analysis, the second dose of these vaccines was associated with an increased risk of myocarditis.

Pericarditis developed more in men. “Pericarditis was rare in women aged 12-39 years. In men aged 16-24 years, the excess of pericarditis events over the 28-day risk period was 7.39 per 100 000 vaccinated (95% CI, 1.46-13.32) events for the second dose of mRNA-1273 (modern),” they explain.

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In its conclusion, the study states that “the first and second doses of mRNA vaccines were associated with an increased risk of myocarditis and pericarditis. For people who received 2 doses of the same vaccine, the risk of myocarditis was higher in young men (ages 16-24) after the second dose.” “This risk must be weighed against the benefits of protection against severe COVID-19 disease,” they state.

The Swedish study also concludes that the Moderna vaccine, possibly due to its higher mRNA concentration, is associated with higher immunogenicity and efficacy. “This deeper immune response could be one of the reasons for the increased risk of myocarditis, but this hypothesis needs to be investigated further.”

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It is more important to be vaccinated than the amount of myocarditis or pericarditis the vaccine can causewhich, in most cases, ends without too many complications”, underlined the Hugo Fernandez cardiologist. “The patient who is not vaccinated and who becomes infected may also have myocarditis or pericarditis as a complication of Covid”, he added in dialogue with PROFILE.

In line with this, the infectiologist Paul Elmasian He assured this media that “the risk of cardiac complications is even greater when one contracts a viral infection compared to what the vaccine can produce in both women and men of any age”.

While the average is higher for men aged 16 to 24 than the average without vaccinations, the difference is not that great, Elmasian explained. “With the vaccines there are 23.5 cases of myocarditis and the figure before the vaccines was 18.7“, he detailed.

“The vaccination recommendation is not lifted because most of these events are moderate, reversible and without sequelae“, underlined the specialist.


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