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Swiss Study Shows 1-in-35 Chance of Heart Damage After Moderna’s Covid Jabs

A new study suggests that Moderna’s COVID-19 booster may lead to heart damage more frequently than previously assumed.

In a Swiss hospital, one in 35 healthcare workers showed signs of heart damage linked to the mRNA-1273 vaccine, according to the researchers’ findings.

They discovered that about 2.8% of people – roughly one in 35 – showed an increase in markers indicating heart damage post-vaccination with mRNA-1273. This frequency was higher than prior estimates, which suggested a 0.0035% incidence of myocarditis after the second dose, according to a meta-analysis of hospitalized cases. The study, published in the European Journal of Heart Failure, noted that this rate might be about 1% in a generally healthy population.

The affected individuals were observed for 30 days, with half still presenting elevated levels of high-sensitivity cardiac troponin T, indicative of heart damage, at the end of this period.

“mRNA-1273 vaccine-associated myocardial injury was more common than previously thought, being mild and transient, and more frequent in women versus men,” the authors concluded.

The study’s long-term implications remain uncertain, as there has been limited research into the consequences of heart damage over time following mRNA vaccination, which is associated with myocarditis and other forms of heart damage.

According to Professor Christian Muller of University Hospital Basel, repeated annual booster vaccinations could potentially cause moderate damage to heart cells, as the heart muscle has a limited capacity for regeneration.

“According to current knowledge, the cardiac muscle can’t regenerate, or only to a very limited degree at best. So it’s possible that repeated booster vaccinations every year could cause moderate damage to the heart muscle cells,” noted University Hospital Basel professor Christian Muller, a cardiologist and the lead researcher.

Despite high levels of troponin, none of the patients experienced a major cardiac event or electrocardiogram changes within 30 days post-vaccination. Advised to avoid intense exercise, the participants may have averted more severe problems.

The researchers did not use imaging to examine the participants’ hearts, even though this method is often suggested in cases of suspected vaccine-induced myocarditis. It is believed that such imaging could have detected inflammation, leading to scarring or irregular heart rhythms, Dr. Andrew Bostom, a US heart specialist not involved in the study, told the Epoch Times.

Researchers hypothesized a higher incidence of vaccine-associated heart damage following mRNA booster vaccination due to symptom absence or mild symptoms. The study had several limitations, including the lack of baseline levels and imaging.

Several other studies have also explored myocarditis following Pfizer vaccination. More prospective studies are needed to investigate post-vaccination heart injuries, and the long-term consequences remain unknown, according to the Swiss researchers.

Both Moderna and Pfizer have been mandated by the US authorities to carry out studies assessing the occurrence of subclinical myocarditis after a booster among adults. The results of these studies have not been disclosed yet.

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This article contains commentary which reflects the author’s opinion.

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