Received Jan 20, 2026
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| RSV | RSV (AREXVY) | GLAXOSMITHKLINE BIOLOGICALS | UNK | 297c2 | IM / RA |
the nurse had not mixed the product thus he had only been injected with the liquid adjuvant; the nurse had not mixed the product thus he had only been injected with the liquid adjuvant; This non-serious case was reported by a consumer via call center representative and described the occurrence of inappropriate preparation of medication in a 59-year-old male patient who received RSVPreF3 adjuvanted (Arexvy) (batch number 297c2) for prophylaxis. On 11-DEC-2025, the patient received Arexvy (intramuscular, right deltoid). On 11-DEC-2025, an unknown time after receiving Arexvy, the patient experienced inappropriate preparation of medication (Verbatim: the nurse had not mixed the product thus he had only been injected with the liquid adjuvant) and inappropriate dose of vaccine administered (Verbatim: the nurse had not mixed the product thus he had only been injected with the liquid adjuvant). The outcome of the inappropriate preparation of medication and inappropriate dose of vaccine administered were not applicable. Linked case(s) involving the same patient: US2023AMR170813 Additional Information: GSK Receipt Date: 16-JAN-2026 The nurse realized her error she then injected him in the left arm with another dose, which was properly reconstituted.