Received Feb 17, 2026
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| MMRV | MEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD) | MERCK & CO. INC. | UNK | Y014438 | — |
No adverse effects reported; HCP reports 59 year old patient inadvertently received PROQUAD due to human error. No adverse effects reported. Confirmed no PQC/no additional AE.; This spontaneous report was received from a Nurse and refers to an 59-year-old patient of unknown gender. The patient's medical history, concurrent conditions, and concomitant therapies were not reported. On 29-Jan-2026, the patient was inadvertently vaccinated due to human error with the single dose of Measles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine Live (PROQUAD), lot #Y014438, expiration date: 22-Feb-2026 (formulation, exact dose, route of administration and anatomical location were not provided) for prophylaxis. The vaccine was reconstituted with sterile diluent (Hollister-Stier STERILE DILUENT) (lot # and expiration date were unknown) (product administered to patient of inappropriate age). No adverse effects reported (no adverse event).
sterile diluent