Received Feb 16, 2026
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| MMRV | MEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD) | MERCK & CO. INC. | UNK | Z015171 | — |
No additional AE; Nurse Practitioner called and reported inadvertent administration of PROQUAD to a patient after a temperature excursion.; This spontaneous report was received from a Nurse Practitioner and refers to a patient of unknown age and gender. The patient's medical history was not reported. The patient's concurrent conditions were not reported. Concomitant therapies were not reported. On 09-Feb-2026, the patient was vaccinated with an improperly stored dose of Measles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine Live (PROQUAD), Powder and solvent for solution for injection (lot #Z015171, expiration date: 28-Mar-2027) 1 dosage form, total as prophylaxis. The vaccine was reconstituted with sterile diluent (Hollister-Stier STERILE DILUENT) Solution for injection (lot # and expiration date were not reported) (Product storage error). The improperly stored vaccine underwent a temperature excursion of 33.8 degrees Fahrenheit (F) for 12 hours without previous excursions. No adverse events were reported.
Sterile diluent