Answer
Myocarditis and pericarditis are very rare. Chest pain, breathlessness or palpitations after vaccination require immediate medical assessment.
Sources for this answer
- Spikevax JN.1 0.1 mg/mL dispersion for injection — Current selected SmPCemc · Summary of Product Characteristics
- NHSNHS · NHS medicine guidance
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.