Study: Risk of Myocarditis after Covid-19 mRNA Vaccination: Impact of Booster Dose and Dosing Interval – doi: https://doi.org/10.1101/2022.07.31.22278064
The risk of heart inflammation after receiving a COVID-19 booster injection remains elevated, according to a new study.
The main series of messenger RNA-based injections, manufactured by Pfizer and Moderna, has already been linked to heart inflammation , but whether booster doses also pose heart-related risks has been less well investigated.
In the study, French researchers analyzed 4,890 cases of myocarditis admitted to hospitals in the country between Dec. 27, 2020, and Jan. 31, 2022. They used 48,900 controls from the general population, matched for sex, age, and area of residence.
They found that receiving a COVID-19 injection booster resulted in an elevated risk of myocarditis, a type of inflammation of the heart, particularly when receiving a Moderna booster.
The adjusted risk after a Pfizer booster was three times higher among boosters and four times higher after a Moderna booster.
For 12- to 29-year-olds, the risk was 4.9 times higher for those receiving the Pfizer booster. Data for young people who received the Moderna booster were not available because France discontinued use of the injection in October 2021 and it only became available again the following month for those aged 30 and older.
For those aged 30 and older, a Pfizer booster was associated with a 2.4-fold increased risk of cardiac inflammation, while the Moderna booster was associated with a 4.1-fold increased risk.
The risks were higher if a person received the third dose within 170 days after the first dose. A booster is the third dose because a primary series is composed of two doses. Similarly, the risk of myocarditis after the second dose is higher in cases where a person receives the dose within 27 days after the first dose.
U.S. authorities have advised young people to receive their second injection up to eight weeks after the first, primarily because of the risk of heart inflammation. Previous guidance was three weeks to a month after the first.
“We found that the risk of myocarditis remained elevated after the booster dose and that longer intervals between each consecutive dose (including booster doses) may decrease the occurrence of injection-associated myocarditis,” the authors of the new study wrote.
The paper was published ahead of peer review on the preprint server medRxiv . The authors work for the French government and at several universities.
Increase in hospitalization for myocarditis
In a separate study also conducted by French researchers, the authors examined the risk of hospitalization for various diseases in 2021, the first full year of the pandemic, compared with 2019, the last full year before the pandemic, and 2020.
They found a decreased risk for almost all diseases when comparing data from 2021 to 2019, except for a 28 percent increase in the risk of myocarditis and a 10 percent increase in the risk of pulmonary embolism.
They also found an increase in myocarditis in 2021 compared with 2020 that “coincided with the vaccination campaign in young people,” particularly among young men aged 10 to 29 years, a group at elevated risk for cardiac inflammation after COVID-19 vaccination.
The researchers, sponsored by the University Hospital of Nimes, said adverse events from the injection likely account for at least part of the increase in cases of myocarditis leading to hospitalization
Germany’s largest health insurer reveals that 1 in 25 clients underwent medical treatment in 2021 for side effects of the Covid ‘vaccine’.
The side effects of injections in Germany are finally coming to light. According to the Dutch news site, Blckbx , five months after a Wob request, it appears that 437,593 of the 11 million policyholders of the country’s largest Health Insurance fund, Techniker Krankenkasse (TK), had to undergo medical treatment in 2021 for the Covid injection. side effects. That’s 1 in 25 and an increase of 3,000 percent.
This week, TK finally provided facts and figures on how many treatments they had to reimburse in 2021 due to the (serious) side effects of covid injections. But unfortunately, it took a lot of struggle and effort to get answers to Wob’s request .
In 2021, a whopping 437,593 insured persons, or 1 in 25, received medical treatment for vaccination side effects, reports Techniker Krankenkasse (TK). This number is almost double all side effects reported by the German federal medical agency Paul Ehrlich Institute (PEI) and Lareb Germany. Furthermore, it represents a 3,000 percent increase for TK compared to 2019 and 2020.
Up to 1 in 500 injections is estimated to cause serious side effects.
The figures also suggest that the number of 1:5000 serious side effects per injection reported by the German ministry last week is actually much higher. According to figures from Techniker Krankenkasse, one in every 500 injections is expected to cause a serious side effect, and 3.3 million Germans would have had to be treated by a doctor by 2021 due to side effects from covid injections. Serious side effects include:
severe skin reactions,
inflammation of the heart muscle,
permanent disability and death.
In Wob’s application to the TK health insurance fund, the 2019 to 2021 billing figures per quarter per person were requested for reporting codes T881 – Complications after vaccination (immunization), not elsewhere classified, including rash after vaccination, T88. 0 – Post-vaccination infection (immunization), including post-vaccination sepsis (immunization), U12.9 – Adverse reactions to use of COVID-19 injections, unspecified and Y.59 .9 – Adverse complications due to vaccines or biologically active substances.
The data show that in 2021 the Techniker Krankenkasse had to reimburse 147,235 medical treatments for code U12.9 – Adverse reactions to the use of covid injections, unspecified – alone. All of the codes listed below are serious side effects requiring medical treatment.
In 2019, among the 11 million insured, 13,777 medical treatments were required for vaccine side effects. In 2020, there were 15,044. In 2021, the number jumped to 437,593, an increase of more than 3,000 percent.
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