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The Centers for Disease Control and Prevention's Advisory Committee on Immunization Practices is holding an emergency COVID-19 meeting this week to discuss COVID-19 vaccine safety as it relates to news that young people may develop myocarditis after receiving a second dose of a messenger RNA COVID-19 vaccine.
Myocarditis, which is an inflammation of the heart muscle, is usually caused by a viral infection. But it can result from a reaction to a drug or be part of a more general inflammatory condition. Signs and symptoms include chest pain, fatigue, shortness of breath and arrhythmias.
"There have been about 789 cases reported," says Dr. Gregory Poland, an infectious diseases expert and head of Mayo Clinic's Vaccine Research Group. "And that can happen for a whole variety of reasons."
In this Mayo Clinic Q&A podcast, Dr. Poland details the concerns about the myocarditis reports. He also discusses the latest news on the COVID-19 delta variant, and he explains what scientists are calling the "two-track pandemic."
To practice safe social distancing during the COVID-19 pandemic, this interview was conducted using video conferencing. The sound and video quality are representative of the technology used. For the safety of its patients, staff and visitors, Mayo Clinic has strict masking policies in place. Anyone shown without a mask was recorded prior to COVID-19 or recorded in an area not designated for patient care, where social distancing and other safety protocols were followed.
Read the full transcript.
Research disclosures for Dr. Gregory Poland.
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Information in this post was accurate at the time of its posting. Due to the fluid nature of the COVID-19 pandemic, scientific understanding, along with guidelines and recommendations, may have changed since the original publication date.
For more information and all your COVID-19 coverage, go to the Mayo Clinic News Network and mayoclinic.org.
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I wondered if any of the children presenting with symptoms of heart inflammation (post vaccination) have been tested for methemoglobinemia(?). If it was a feature in some children might administering vitamin C have helped at the onset?
After recovering from second shot of moderna i feel best i have in years. I am not the only one!
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1 ReactionHi @linh, I have submitted your question for an upcoming podcast with Dr. Poland.
Do you have children for whom you're considering the COVID vaccine?
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1 ReactionNo, I myself was a “Blue Baby” & presented to the E.R. following my first Moderna vaccination to rule out cardiac problems (I’m a senior however. My second vaccination by the way went fine).
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1 ReactionI believe I suffered heart inflammation and damage as a result of Covid or the Covid vaccine(Phizer). I', 78 year old. All these reports about young men have ill effects seem misplaced. I know a 50 year old physician who also suffered myocarditis after vaccines.
After the first ir second shot i felt better than ever!