Answer
Beyfortus 100 mg nirsevimab pre-filled syringes have a shelf life of 4 years and may be kept at room temperature (20°C–25°C), protected from light, for a maximum of 48 hours, after which the syringe must be discarded.
Sources for this answer
- Beyfortus 100 mg solution for injection in pre filled syringeSANOFI · emc · SmPC §6.3 Shelf life · Version 3Document updated
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