Received Feb 18, 2026
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| VARCEL | VARICELLA (VARIVAX) | MERCK & CO. INC. | UNK | Z005456 | — |
| VARCEL | VARICELLA (VARIVAX) | MERCK & CO. INC. | UNK | — | — |
No symptoms were reported; Nurse called to report administration of improperly stored vaccines to multiple patients; 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 06-SEP-2025, the patient was vaccinated with an improperly stored dose of Varicella Virus Vaccine Live (Oka-Merck) (VARIVAX) 0.5 milliliters (mL), lot #Z005456 [which has been verified to be a valid lot number for Varicella Virus Vaccine Live (Oka-Merck)], expiration date reported and upon internal validation establish as 04-MAR-2027, administered for prophylaxis (strength, dose number, route and anatomical site of administration were not provided). The vaccine was reconstituted with sterile diluent (Hollister-Stier STERILE DILUENT), (lot # and expiration date were not reported), after a temperature excursion of 36 degree Fahrenheit (F) to up 46 degree Fahrenheit (F) during an unknown time frame (product storage error). Previous temperature excursions were unknown. No symptoms were reported. No additional adverse event was provided (no adverse event). This is one of several reports received from the same reporter.