Answer
Seek urgent help for severe allergy symptoms or persistent chest pain, shortness of breath or palpitations after vaccination.
Sources for this answer
- Comirnaty KP.2 30 microgram/dose dispersion for injection in pre-filled syringe — 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.