Received Nov 7, 2025
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| MMR | MEASLES + MUMPS + RUBELLA (MMR II) | MERCK & CO. INC. | UNK | Z008440 | OT |
| MMR | MEASLES + MUMPS + RUBELLA (MMR II) | MERCK & CO. INC. | UNK | Z008440 | OT |
The patient is asymptomatic at this time; 1 year old patient was administered a dose of MMRII on 09/30/2025 and another dose was inadvertently administered again on 10/08/2025; This spontaneous report was received from an officer manager and refers to an 1-year-old patient of unknown gender. The patient's medical history, concurrent conditions, and concomitant therapies were not reported. On 30-Sep-2025, the patient was vaccinated with Measles, Mumps, and Rubella (Wistar RA 27-3) Virus Vaccine, Live (M-M-R II), Solution for injection, 1 dosage form (valid lot #Z008440, expiration date reported and confirmed as 23-Nov-2026; route of administration and anatomical location were nor provided) as prophylaxis. Then, on 08-Oct-2025, another dose of Measles, Mumps, and Rubella (Wistar RA 27-3) Virus Vaccine, Live (M-M-R II), Solution for injection, 1 dosage form as prophylaxis (valid lot #Z008440, expiration date reported and confirmed as 23-Nov-2026; route of administration and anatomical location were nor provided) was inadvertently administered again (Inappropriate schedule of product administration). The suspect vaccine was reconstituted with sterile diluent (Hollister-Stier STERILE DILUENT), Solution for injection (route of administration, anatomical location, lot # and expiration date were not reported). The patient was asymptomatic at the time of reporting (no adverse event).
MERCK STERILE DILUENT