Answer
They contain different vaccine components, target different diseases and have different routes, contraindications and handling requirements.
Sources for this answer
- Shingrix powder and suspension for suspension for injection, Herpes zoster vaccine (recombinant, adjuvanted) — Current selected SmPCemc · Summary of Product Characteristics
- Varilrix — 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.