Covid ‘Booster’ Shots Cause Heart Failure in Young Adults, Top Study Confirms


by Frank Bergman, Slay News:

A new peer-reviewed study has confirmed that Covid mRNA “booster” shots are causing heart failure to soar in young adults and teenagers.

The study, published in the world-renowned European Heart Journal on February 15, found that a third dose of the Pfizer or Moderna injections is directly linked to the “increased incidence rate of myocarditis.”

Myocarditis is inflammation of the heart muscle (myocardium), according to the Mayo Clinic.


The inflammation can reduce the heart’s ability to pump blood, leading to blood clots, strokes, cardiac arrest, a potentially death.

Myocarditis is a known side effect of the Covid mRNA vaccines but most people are unaware that they have it, making it a potential ticking timebomb for sufferers.

The vaccine-induced heart injury is believed to be the leading cause of the recent spike in sudden and unexpected deaths.

The researchers said the spikes in myocarditis are more apparent in young adults and adolescents, particularly males.

As Slay News has reported, cases of myocarditis have been skyrocketing around the world since the public rollout of the Covid shots in early 2021.

According to the new study, using data from several Nordic nations, researchers evaluated the risk of myocarditis among 12- to 39-year-olds after receiving COVID-19 mRNA booster vaccination.

The study analyzed data from 8.9 million young adults from four nations: Denmark, Finland, Norway, and Sweden.

In total, 1,533 cases of myocarditis were identified, which the researchers noted were all caused by the mRNA boosters.

The study concluded that the “booster dose is associated with increased myocarditis risk in adolescents and young adults.”

Among males, a third dose of the Pfizer or Moderna vaccine was associated with an “increased incidence rate of myocarditis” within 28 days of inoculation compared to a longer period after the second dose.

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