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Dansk forskningspapir: Risiko for hjertebetændelse 4x større med Moderna vaccine end med Pfizer

A study published in the British Medical Journal late Thursday suggests Modernas COVID-19 vaccine is up to four times more likely to cause heart inflammation—myocarditis or myopericarditis—than Pfizer-BioNTech’s COVID-19 vaccine.

“Vaccination with [Moderna’s vaccine] was associated with a significantly increased risk of myocarditis or myopericarditis in the Danish population,” and the rate was “threefold to fourfold higher” with the Moderna vaccine compared to the Pfizer-BioNTech vaccine, authors said in the study, which spanned almost 85 percent of Danes, or 4.9 million people aged 12 and older.

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Authors of the study wrote that the absolute rate of myocarditis or myopericarditis the mRNA-based vaccine “was low, even in younger age groups.

“The benefits of SARS-CoV-2 mRNA vaccination should be taken into account when interpreting these findings,” they added.
“Larger multinational studies are needed to further investigate the risks of myocarditis or myopericarditis after vaccination within smaller subgroups.”

In the study, researchers analyzed nationwide registers in Denmark that show the country’s population data on vaccination, hospital admissions, and results of laboratory assays of blood samples.

Bag forskningspapiret står:

Anders Husby, physician1 2,
Jørgen Vinsløv Hansen, statistician2,
Emil Fosbøl, consultant3,
Emilia Myrup Thiesson, statistician2,
Morten Madsen, statistician4,
Reimar W Thomsen, associate professor4,
Henrik T Sørensen, professor4,
Morten Andersen, professor5,
Jan Wohlfahrt, chief statistician2,
Gunnar Gislason, professor6 7 8,
Christian Torp-Pedersen, professor9 10 11,
Lars Køber, professor3,
Anders Hviid, professor2 5

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