Received Sep 22, 2025
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| MMRV | MEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD) | MERCK & CO. INC. | UNK | Y004545 | LA |
| MMRV | MEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD) | MERCK & CO. INC. | UNK | — | — |
No symptoms reported at the time of the call. No additional AE; HCP called to report an expired dose of PROQUAD was administered to a patient on 8/21/2025. HCP reported that PROQUAD expired 8/19/2025; This spontaneous report was received from a physician assistant (reported as medical assistant) and refers to a 5-year-old male patient. The patient's medical history, concurrent conditions, concomitant therapies, previous drugs reactions and allergies were not reported. On 21-Aug-2025, the patient was vaccinated with an expiry dose of measles, mumps, rubella and varicella (oka-merck) virus vaccine live (rHA [recombinant human albumin]) (PROQUAD), Injection, at a dose of 0.5 milliliter (mL), administered as prophylaxis (Lot No. Y004545 has been verified to be a valid lot number for [measles, mumps, rubella and varicella (oka-merck) virus vaccine live], expiration date reported and upon internal validation established as 19-Aug-2025) (strength, route and anatomical location of administration and vaccination scheme frequency were not provided); that was reconstituted with sterile diluent (Lot No., expiration date, route and indication were not provided) (expired product administered). No adverse event was reported (no adverse event). Follow-up information was received from the physician assistant (reported as medical assistant) on 17-Sep-2025. It was reported that the suspect expired vaccine was administered in the left deltoid.