Received Nov 17, 2025
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| VARCEL | VARICELLA (VARIVAX) | MERCK & CO. INC. | UNK | X024649 | OT |
The patient involved in the administration did not experience any adverse side effects or issues; Inadvertent administration of an expired dose of VARIVAX; This spontaneous report was received from other health professional and refers to a 20-month-old female patient. The patient's medical history, concurrent conditions, and concomitant therapies were not reported. On 19-Oct-2025, the patient was inadvertently vaccinated with an expired dose of Varicella Virus Vaccine Live (Oka-Merck) (VARIVAX), Powder and solvent for solution for injection, 0.5 ml, total (reported as once) (valid lot #X024649, expiration date reported and confirmed as 11-Oct-2025; route of administration and anatomical location were not provided) administered as prophylaxis. The suspect vaccine was reconstituted with sterile diluent (BAXTER STERILE DILUENT), Solution for injection (valid lot #Y018523, expiration date reported and confirmed as 20-Sep-2027; route of administration and anatomical location were not provided) administered as prophylaxis (the sterile diluent was not expired at the time of administration). The patient involved in the administration did not experience any adverse side effects or issues (no adverse event).
MERCK STERILE DILUENT