Received Sep 27, 2025
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| MMRV | MEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD) | MERCK & CO. INC. | UNK | Y003882 | — |
No additional adverse event; which part in the process the medication error ocurred: dispensing; A dose of PROQUAD expired on 8/5/2025 and was administered today, 8/8/2025; This spontaneous report was received from a nurse and refers to a patient of unknown age and gender. The patient's medical history and concurrent conditions were not reported. Concomitant medications included sterile diluent (BAXTER STERILE DILUENT). On 08-Aug-2025, the patient was vaccinated with a dose of Measles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine Live (PROQUAD), (lot #Y003882, expiration date: 05-Aug-2025) 0.5 mL total, for prophylaxis (Expired product administered). The product had no temperature excursions through date of administration. No additional adverse event was reported. Follow-up information was received from the nurse on 16-Sep-2025. This report referred to a 4-year-old female patient (previously invalid due to lack of patient identifiers). On 08-Aug-2025, the patient was vaccinated by a health care professional with a dose of Measles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine Live (PROQUAD), administered subcutaneously (anatomical site and dose number in series were not provided). In addition, it was reported that the medication occurred during dispensing the expired vaccine on 08-Aug-2025 (Product dispensing error). No prescription of drug treatment for the experience was required.
DILUENT MRK