A new side effect after vaccination affects young people
Experts from around the world are investigating rare cases of heart muscle inflammation that have been linked to vaccination.
The U.S. Centers for Disease Control and Prevention is meeting next week to discuss rare reports of myocarditis occurring in people after vaccination with COVID-19 mRNA vaccines. In Canada, two mRNA vaccines are currently approved: Pfizer and Moderna.
Myocarditis is a condition that causes inflammation of the heart muscle. It usually develops as a result of a viral infection and can cause symptoms such as fatigue, fever, and chest pain. Doctors are currently investigating rare cases that have occurred after the mRNA vaccine. Usually this side effect occurs after the second vaccination.
"People are experiencing increased shortness of breath or feeling like they can't breathe properly and very severe chest pain," said Dr. Martha Fulford, an infectious disease specialist in Hamilton, Ontario.
There have been two cases of myocarditis in Fulford's practice. She stressed that they are very rare but still need to be investigated.
The cause-and-effect relationship between myocarditis and vaccination has not yet been established. Most reported cases of myocarditis have been mild in patients, but some have still been serious.
For example, 18-year-old Isaiah Harris from the United States received a second mRNA vaccine in April. The type of vaccine was not reported. After the first vaccination, he had no side effects, but within 12 hours of the second vaccination, Harris felt sick, had a fever, and developed severe chest pain.
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