Received May 6, 2026
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| MMRV | MEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD) | MERCK & CO. INC. | UNK | Z018832 | — |
has not received any reports of the patient experiencing any medical concerns or reactions at this time; a dose of PROQUAD was administered on 4/28/2026 after being exposed to multiple temperature excursions; This spontaneous report was received from a healthcare business professional (non-health professional) and referred to a patient of unknown age and gender. The patient's concomitant medication, pertinent medical history and drug reactions/ allergies were not reported. On 28-Apr-2026, the patient was vaccinated a dose of Measles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine Live (PROQUAD) (0.5ml, total; also mentioned two dose series; lot# Z018832,expiration date was reported as 11-Jun-2026, but upon internal validation established as 11-Mar-2027; strength and route were not reported) for prophylaxis. The vaccine was reconstituted with sterile diluent (Hollister-Stier STERILE DILUENT) (lot# and expiration date were not reported). The vaccine was improperly stored and administered, after being exposed to multiple temperature excursions (Product storage issue). The reporter confirmed that their facility had not received any reports of the patient experiencing any medical concerns or reactions at this time (No adverse event). No additional adverse event was reported.
sterile diluent