Answer
It contains gelatine and may contain traces of egg proteins. The UK programme identifies porcine gelatine in the nasal vaccine; an injectable alternative may be suitable when this formulation is unacceptable or contraindicated.
Sources for this answer
- Fluenz nasal spray suspension Influenza vaccine (live, nasal) — 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.