Covid-19 infection is far more likely to cause myocarditis, a potential side effect of mRNA Covid vaccines, than vaccination, according to a CDC study.
The new data, doctors say, answer that question with a resounding no. It confirms what pediatric cardiologists have long noted in their patients: Heart problems are far more likely to occur as a result of Covid than after the vaccines.
In the study, researchers analyzed electronic health records of more than 15 million people in 40 health care systems nationwide, collected from January 2021 through the end of January 2022, looking for evidence of heart inflammation orOverall, heart problems related to either the infection or the vaccines were rare.
"These complications are quite rare," said Dr. Matthew Oster, a medical officer at the CDC’s National Center on Birth Defects and Developmental Disabilities and an author of the new report."But if your question is, is my child more at risk from having heart problems from getting Covid or from getting the vaccine, the answer is they're more at risk of getting heart problems from Covid."Common symptoms of myocarditis include chest pain and shortness of breath.
"It's a real specific risk window," he said."We think that what happens is there's such an immune response to the vaccine in those hours and days following the second vaccine, that it triggers a stress reaction in the heart." The body is on high alert during this time.
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