Received Apr 14, 2026
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| MMRV | MEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD) | MERCK & CO. INC. | UNK | — | — |
| MMRV | MEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD) | MERCK & CO. INC. | UNK | Z009075 | — |
No side effects reported; came in to HCP office on 3/18/2026 and was supposed to receive Hep A or something, well she ended up getting another dose of PROQUAD; his is regarding a 12 month old baby girl who received PROQUAD twice; This spontaneous report was received from a nurse and refers to a 12-month-old female patient. The patient's medical history and concurrent conditions were not reported. Concomitant medications included Pneumococcal vaccine conj 20v (CRM197) (PREVENAR 20). On 24-FEB-2026, the patient was vaccinated with a dose of Measles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine Live (PROQUAD), powder for solution for injection, 1 dosage form administered for prophylaxis (strength, lot # and expiration date, route and anatomical site were not reported). The vaccine was reconstituted with sterile diluent (Hollister-Stier STERILE DILUENT) (lot # and expiration date were not reported). On 18-MAR-2026 at 10 am (also reported as yesterday), the patient was accidentally vaccinated with another dose of Measles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine Live (PROQUAD), powder for solution for injection, lot #Z009075 [which 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 establish as 15-NOV-2026, 1 dosage form administered for prophylaxis (strength, route and anatomical site were not reported). The vaccine was reconstituted with sterile diluent (Hollister-Stier STERILE DILUENT) (lot # and expiration date were not reported); although was supposed to receive hepatitis a vaccine, inactivated suspension for injection (reported as Hep A or something). Provider and nurse neither checked and did not realize until it was flagged in the system (wrong product administered; accidental overdose). No side effects reported (No adverse event).
PREVENAR 20; MERCK STERILE DILUENT