Answer
No vaccine protects everyone. Protection can vary and may be lower in people who are immunocompromised.
Sources for this answer
- Comirnaty JN.1 3 micrograms/dose concentrate for dispersion for injection, 3-dose vial COVID-19 mRNA Vaccine — Current selected SmPCemc · Summary of Product Characteristics
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.