Received Jan 23, 2026
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| MMR | MEASLES + MUMPS + RUBELLA (MMR II) | MERCK & CO. INC. | UNK | Y000225 | — |
No other AE; 5-year-old male patient was inadvertently administered an expired MMR-II; This spontaneous report was received from a registered medical assistant (RMA) and refers to a 5 -year-old male patient. The patient's medical history, concurrent conditions, past and concomitant medications were not reported. On 05-Jan-2026, the patient started therapy with sterile diluent Solution for injection Unknown Batch/Lot Number dose form was Solution for injection. On 05-Jan-2026, the patient was inadvertently vaccinated with expired dose of Measles, Mumps, and Rubella (Wistar RA 27-3) Virus Vaccine, Live (M-M-R II) solution for injection, lot# Y000225, expiration date: 03-Jan-2026 (exact dose, dose number, route of administration, anatomical location were not reported), for prophylaxis (Expired product administered). The vaccine was reconstituted with sterile diluent (lot# and expiry date not reported). No other adverse event was reported.
MERCK STERILE DILUENT