Received Feb 16, 2026
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| MMRV | MEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD) | MERCK & CO. INC. | UNK | Z010731 | — |
Caller states one patient received PROQUAD after improperly stored. No side effects or symptoms reported; Caller states one patient received PROQUAD after improperly stored. No side effects or symptoms reported; This Spontaneous report was received from a medical assistant and referred to a 4 -year-old patient of unknown gender. The patient's medical history, concurrent conditions and concomitant medications were not reported. On 11-Feb-2026, the patient was vaccinated with an improperly stored Measles, Mumps, Rubella and Varicella (Oka-Merck)(PROQUAD) 0.50 ml, Lot Number: Z010731 has been verified to be a valid batch lot number with expiration date: 22-Dec-2026, as prophylaxis (frequency and route of administration were not reported). The vaccine was reconstituted with sterile diluent (Hollister-Stier STERILE DILUENT) (lot # and expiration date were not reported). The vaccine was improperly stored at - 11.9 C for 58 minutes. No previous excursions were reported. No side effects or symptoms reported.
Sterile diluent