Answer
Blocking C5 weakens an important defence against meningococcal bacteria. Vaccination lowers the risk but cannot prevent every infection.
Sources for this answer
- Zilbrysq 16.6 mg solution for injection in pre filled syringe — 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.