Received Feb 18, 2026
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| MMRV | MEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD) | MERCK & CO. INC. | UNK | Y020300 | — |
No additional AE; Medical Assistant reporting that one patient received a dose of improperly stored PROQUAD.; This spontaneous report was received from a medical assistant and refers to a specific patient of unknown age and gender. The patient's medical history, concurrent conditions and concomitant therapies were not reported. On 12-Feb-2026, a temperature excursion occurred (temperature: 8.4F; time frame: 0 hours 50 minutes 0 seconds; previous temperature excursion: not applicable (N/A)). On 13-Feb-2026, the patient was vaccinated with a dose of improperly stored Measles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine Live (PROQUAD) 0,5 mL (lot #Y020300 with valid expiration date reported as 09-Jun-2026) (route of administration and vaccination site were not reported) administered for prophylaxis (product storage error). The vaccine was reconstituted with sterile diluent, solution for injection (lot # and expiration date were not reported). No symptoms or side effects were reported (no adverse event). No additional adverse event (AE) and no product quality complaint (PQC) was noted.