Answer
Each 100 mg (1 mL) pre-filled syringe of nirsevimab (Beyfortus) contains 0.2 mg of polysorbate 80 (E433).
Sources for this answer
- Beyfortus 100 mg solution for injection in pre filled syringeSANOFI · emc · SmPC §2 Qualitative and quantitative composition · Version 3Document updated
Sources checked