Received May 18, 2026
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| MMR | MEASLES + MUMPS + RUBELLA (MMR II) | MERCK & CO. INC. | UNK | Z005856 | — |
No symptoms reported. No additional AE; Nurse reported that MMR II was reconstituted with DILUENT PFS which may have had black specks in it.; Nurse reported that MMR II was reconstituted with DILUENT PFS which may have had black specks in it.; Nurse reported that MMR II was reconstituted with DILUENT PFS which may have had black specks in it.; This spontaneous report was received from a nurse and refers to a patient of unknown age and gender. The patient's medical history, concurrent conditions and concomitant therapies were not reported. On 12-May-2026, the patient was vaccinated with Measles, Mumps, and Rubella (Wistar RA 27-3) Virus Vaccine, Live (M-M-R II) 0.5 ml (total) Batch/Lot Number: Z005856 has been verified to be a valid batch/lot number for Measles, Mumps, and Rubella (Wistar RA 27-3) Virus Vaccine, Live, with expiration date: 11-Mar-2027, as prophylaxis (route of administration was not reported), the vaccine was reconstituted with sterile diluent (MERCK STERILE DILUENT) (lot #2173884, expiration date: 13-Dec-2027) 0.7 mL, which may have had black specks in it (product preparation issue, product contamination, product with quality issue administered). No symptoms reported. No additional adverse event (AE) was reported.
DILUENT MRK