![]() People are also more likely to develop myocarditis as a result of COVID-19, than they are as a result of the vaccination.Įven in younger cohorts, early research suggests the risk of myocarditis from COVID-19 is still higher than the risk of myocarditis from the vaccination. In short, the risk of getting seriously ill from COVID-19 is greater than the risk of getting seriously ill after the vaccination – even in patient groups who are at higher risk of an adverse event post vaccination. In females the risk is about eight times lower than in males.Ī recent study of 2,000,000 patients published in JAMA Cardiology showed a rate of 1 in 100,000 cases. 25-29 year old males: 16 cases per million second doses.18-24 years old males: 50 cases per million.12-17 years old males: 63 cases per million. ![]() The rate is higher in young males, with figures as follows That’s about six cases per million second dose. How likely is myocarditis following an mRNA COVID-19 vaccination?įigures from the US Centre for Disease Control and Prevention (CDC) to June 2021, show there were 636 cases of myocarditis reported in 133 million second doses administered. ![]() In comparison, the risk of myocarditis, pericarditis, myocardial infarction and arrhythmia are all increased as a result of having the COVID-19 virus. A study from Israel published in the NEJM shows no increase in any other kind of adverse cardiovascular outcome following the Pfizer vaccination. Myocarditis and pericarditis are rare but serious side effects of the Pfizer vaccination. Data from the NZ Centre for Adverse Reactions Monitoring (CARM) shows the top 10 most reported symptoms in NZ are: ![]() What are the side effects of the Pfizer vaccine? The spike protein is produced and then the mRNA degrades in a matter of hours to days. It is injected into muscle, cells are recruited to the area and take up the vaccine. It was double peer reviewed and published in the New England Journal of Medicine. The end points that were required to authorise the vaccine for use – that’s the safety and efficacy required through phase 3 clinical trials – were met last year. The Pfizer vaccine has a good safety record. The vaccination should no longer be considered ‘experimental'. Similarly, data from countries like the United Kingdom and Israel, where vaccination uptake has been good, shows that recent surges in COVID-19 cases is driven by the section of the population who remain unvaccinated. There is good evidence that vaccinations are effective in the reduction of serious illness and death as a result of COVID-19.įigures from the COVID-19-Associated Hospitalization Surveillance Network (COVID-NET) in the United States show that unvaccinated adults are 17 times more likely to be hospitalised compared with fully vaccinated adults. The world is currently experiencing its third wave of COVID-19, driven by the Delta variant.
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