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Scientists hone in on a possible cause of myocarditis in young men who get a Covid mRNA vaccine: an excessive cytokine response that causes inflammation.
In a group of 43 million people, aged 13 and older, an American Heart Association study found myocarditis is more common after COVID-19 infection than after vaccination.
False claims that vaccines are responsible for more heart problems in athletes have been running rampant on social media and advertised by Fox News’ Tucker Carlson, including one oft-cited ...
The FDA and European Medicines Agency estimates the risk of myocarditis after the Covid-19 vaccine as 1 case per 100,000 of those who are vaccinated. [31] [32] The risk of myocarditis after Covid-19 vaccination was observed to be highest in males between 16–29 years of age, and after receiving the second dose of the mRNA Covid-19 vaccine.
The thrombosis events associated with the COVID‑19 vaccine may occur 4–28 days after its administration and mainly affects women under 55. [6] [2] [20] Several relatively unusual types of thrombosis were specifically reported to be occurring in those with the reaction: cerebral venous sinus thrombosis and thrombosis of the splanchnic veins.
(Reuters) -The U.S. drug regulator on Friday added a warning to the literature that accompanies Pfizer Inc/BioNTech and Moderna COVID vaccine shots to indicate the rare risk of heart inflammation ...
Myocarditis after receiving a Covid vaccine is rare. Pfizer and Moderna are researching possible long-term risks for those who recovered from heart problems after vaccination.
Reported cases represent just a tiny fraction of the nearly 130 million Americans who have been fully vaccinated with either Pfizer or Moderna's doses.