Received Feb 25, 2026
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| VARCEL | VARICELLA (VARIVAX) | MERCK & CO. INC. | UNK | Z012120 | — |
No additional AE/no PQC reported; Customer called to report TE. Vaccines were administered to patients; This spontaneous report was received from a Certified Medical Assistant on 23-Feb-2026 and refers to a patient of unknown age and gender. The patient's medical history, concurrent conditions and concomitant therapies were not reported. On 17-Feb-2026, the patient was vaccinated with an incorrect stored dose of Varicella Virus Vaccine Live (Oka-Merck) (VARIVAX), Injection (lot #Z012120, expiration date: 23-Jul-2027) (route, dose, dose number were unspecified) prophylaxis. The vaccine was reconstituted with sterile diluent (Hollister-Stier STERILE DILUENT), Solution for injection (route, dose, dose number, lot # and expiration date were not reported), on the same date. The administered doses of the vaccine experienced a temperature -14 degree centigrade(C) up to -10 C (-13.6 C) for 2 hours 5 minutes 0 seconds. It was unspecified if the data was recorded by a data logger. No previous temperature excursion was reported. No additional adverse event, no PQC reported. This is one of several reports from the same source.
MERCK STERILE DILUENT