According to researchers from University of Oxford, whose detailed analysis of nearly 43 million people, aged 13 and older, has revealed that the risk of myocarditis (inflammation of the heart muscle) in unvaccinated individuals after the Covid-19 infection was at least 11 times higher compared to people who developed the heart condition after receiving a vaccine or booster dose.

Several previous studies and reports from public health agencies, including the US Centers for Disease Control and Prevention (CDC), have highlighted a possible connection and potentially increased risk of myocarditis after receiving an mRNA Covid-19 vaccine, generating considerable scientific, policy and public interest.