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  2. Jun 10, 2021 · More young adults than usual have reported heart inflammation following Covid-19 vaccination, the CDC said Thursday. Myocarditis is usually mild, but a handful of patients remain hospitalized.

  3. Feb 27, 2024 · Full Story. COVID-19 vaccines — like all vaccines and other medical products — come with side effects, including serious side effects in rare cases. The vaccines were rolled out to protect ...

    • Overview
    • Myocarditis and pericarditis after the COVID-19 vaccine
    • Prevalence
    • Who is at risk?
    • Risks of COVID-19 vaccine vs. infection
    • Is the vaccine safe for people with pre-existing heart conditions?
    • When to contact a doctor
    • Summary

    Receiving the COVID-19 vaccine carries some risk of heart disease. However, reports of heart inflammation have been rare, and most people who experience symptoms recover quickly.

    Coronavirus data

    All data and statistics are based on publicly available data at the time of publication. Some information may be out of date. Visit our coronavirus hub for the most recent information on COVID-19.

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    It is important to note that while some individuals have reported heart symptoms after receiving the COVID-19 vaccine, these are very uncommon.

    COVID-19 also carries a risk of heart inflammation, and health experts consider that the risks of the virus are far greater than those of the vaccine. Researchers have found that even a mild COVID-19 infection can significantly increase a person’s risk of developing heart disease.

    A small proportion of people who take the COVID-19 vaccine report heart inflammation afterward.

    There are two types of reported inflammation: myocarditis, which refers to an inflammation of the heart muscle, and pericarditis, which involves an inflammation of the heart’s outer lining.

    Heart inflammation is the immune system’s natural reaction to infection or injury of the heart. White blood cells instruct the body to direct more blood toward the area, which contributes to a range of symptoms.

    Infections with viruses, such as SARS-CoV-2, which causes COVID-19, commonly cause heart inflammation. However, in rare instances, vaccines can also be responsible.

    Because the COVID-19 vaccine is still relatively new, experts do not know exactly how common heart side effects are. However, several studies have examined how common myocarditis is among those receiving the COVID mRNA vaccine.

    A study of 23.1 million residents of four Nordic countries found that the risk of myocarditis was highest in males aged 16–24 years, reporting nine to 28 excess events in every 100,000 vaccine recipients. The risk was higher after receiving the Moderna vaccine than from the Pfizer-BioNTech vaccine, with the risk climbing after the second dose.

    A different review of 22 studies reported a mean of 18.2 cases of myopericarditis per million doses. The prevalence was lower than after smallpox vaccines and about the same as influenza vaccines.

    Despite studies showing some postvaccine evidence of myocarditis and pericarditis, both are rare developments. Research is ongoing into the long-term effects.

    Males under 30 years of age have the highest risk of myocarditis and pericarditis after a COVID-19 mRNA vaccine. Both of the above studies found that young males who received a second dose of the vaccine had the highest risk of heart inflammation.

    However, the authors of both studies also stated that the risk remains low. They add that doctors should aim to balance this against the risk of heart inflammation after acquiring the SARS-CoV-2 virus.

    According to recent studies, COVID-19 carries a greater risk of heart inflammation than the vaccine.

    A 2021 study used the health records of around 2 million people. It found that an additional 2.7 cases of myocarditis presented per 100,000 people who took the Pfizer-BioNTech vaccine.

    Yes, it is. The American Heart Association (AHA) maintains that it is safe for the following individuals to receive a COVID-19 vaccine:

    •people with cardiovascular risk factors

    •those with heart disease

    •survivors of stroke or heart attack

    People who notice symptoms of myocarditis or pericarditis after receiving the COVID-19 vaccine should speak with a doctor urgently. Symptoms most often show within a week of vaccination, so individuals should keep an eye out for symptoms during this time.

    Most people with heart inflammation who seek medical care respond well to medication and can return to everyday activities as soon as symptoms improve.

    It is understandable to have concerns about any vaccine that can, in rare cases, affect the heart. However, balancing these concerns against the potential cardiac effects of COVID-19 is the best way to make a personal decision on a sensitive medical topic.

    While the COVID-19 vaccines can cause heart inflammation as a side effect, people who acquire the SARS-CoV-2 virus have a higher risk of serious heart problems than those who receive the vaccine.

  4. Feb 21, 2023 · Heart problems may be a rare side effect of COVID-19 vaccination. In most cases, research suggests that COVID-19 poses a much greater risk than the potential side effects of COVID-19 vaccination.

    • Beth Sissons
  5. Jun 30, 2022 · Heart problems are a very rare side effect of COVID-19 vaccines. More common side effects are mild and temporary, including: fever. pain and soreness at injection site. fatigue. headache. chills ...

    • Jacquelyn Cafasso
  6. Jan 21, 2022 · There’s not any reliable evidence that the COVID-19 vaccine can cause heart attacks. This idea is based on a misinterpretation of preliminary research findings. Overall, further research into ...

  7. Jun 29, 2022 · Some evidence suggests that arrhythmia, and other heart problems, are a potential side effect of the COVID-19 vaccine. However, while it is a possible adverse reaction, the risk is low and ...

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