Received Jun 18, 2025
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| MMRV | MEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD) | MERCK & CO. INC. | UNK | Z005153 | — |
| VARCEL | VARICELLA (VARIVAX) | MERCK & CO. INC. | UNK | Y020586 | — |
no additional adverse event was reported; HCP called to report an AE for PROQUAD. Caller reported that an 18 month old female patient was inadvertently administered PROQUAD and VARIVAX concomitantly today, 6/9/2025. Caller reported that patient was behind on here 12 and 15 month vaccines a; stated that they believed it was MMRII because the vials are similar.; This spontaneous report was received from a nurse and refers to a 18-month-old female patient. The patient's medical history was not reported. The patient's concurrent conditions were not reported. Concomitant therapies were not reported. On 09-Jun-2025, the patient started therapy with Measles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine Live (PROQUAD), (lot #Z005153, expiration date: 25-Aug-2026) 0.5 mL for an unknown indication. On 09-Jun-2025, the patient started therapy with Varicella Virus Vaccine Live (Oka-Merck) (VARIVAX REFRIGERATOR STABLE), (lot #Y020586, expiration date: 17-Dec-2026) 0.5 mL for an unknown indication. On 09-Jun-2025, the patient started therapy with sterile diluent (MERCK STERILE DILUENT), (indication, expiration date, and lot # were not reported). On 09-Jun-2025, the patient started therapy with sterile diluent (MERCK STERILE DILUENT), (indication, expiration date, and lot # were not reported). It was reported that the patient was inadvertently administered Proquad and Varivax xonxomitantly (Accidental overdose). Caller reported that patient was behind on here 12 and 15 month vaccines and stated that they believed it was MMRII because the vials are similar (Look alike packaging). No additional adverse event was reported.
sterile diluent