Why vaccinating all teens is a difficult decision
Concerns over a very rare heart side-effect are giving vaccine experts pause for thought. …
Research on millions of people who’ve had the mRNA vaccines (Pfizer and Moderna) shows there’s a tiny risk of myocarditis, or inflammation of the heart, which is more common in young people – and particularly younger boys – after a second dose. It can cause chest pain and a pounding heart, but symptoms usually clear up in days.
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