With the mRNA covid-19 vaccines being delivered to growing numbers of young people, researchers are looking again at the rare risk of heart inflammation
30 March 2022
As the UK offers a covid-19 vaccine to children aged 5 to 11, and officials consider the benefits of a fourth jab for adults, we still have an uncertain picture about the risks to the heart.
High-income countries are mainly administering the Pfizer/BioNTech and Moderna vaccines to their citizens. Based on mRNA, these contain a strand of genetic material that instructs cells to make the SARS-CoV-2 virus’s spike protein, prompting an immune response that protects against severe …