Received May 4, 2026
Reports are unverified and do not show that a vaccine caused an event. Full disclaimer
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| MMR | MEASLES + MUMPS + RUBELLA (NO BRAND NAME) | UNKNOWN MANUFACTURER | 1 | — | — |
| MMRV | MEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD) | MERCK & CO. INC. | UNK | Z010383 | — |
Confirmed no symptomatic adverse events. No additional AE; The patient was updating their immunization and received MMR vaccine on 9-JAN-2026. The patient then came to get their second dose on 16-APR-2026 and was accidently administered PROQUAD.; on 16-APR-2026 and was accidently administered PROQUAD; This spontaneous report was received from a registered nurse (R.N.) and refers to a 32-year-old female patient. The patient's medical history, concurrent conditions, past medications and concomitant medications were not reported. On 09-Jan-2026, the patient was vaccinated with the first dose of measles, mumps, and rubella (wistar ra 27-3) virus vaccine, live (manufacturer unknown) (reported as "MMR vaccine") powder and solvent for solution for injection (exact dose, route of administration, anatomical location, lot# and expiry date were not reported), for prophylaxis (updating their immunization). The vaccine was reconstituted with sterile diluent (lot# and expiry date not reported). On 16-Apr-2026, the patient came to receive the second dose but accidentally was vaccinated with MMR and Varicella (Oka-Merck) Virus Vaccine Live (PROQUAD) powder and solvent for solution for injection, 0.5 ml, once, lot# Z010383, expiration date: 14-Dec-2026 (route of administration and anatomical location were not reported), reconstituted with sterile diluent (lot# and expiry date were not reported), for prophylaxis (Wrong product administered, Product administered to patient of inappropriate age). Confirmed no symptomatic adverse events, no additional adverse events occurred. Lot # is being requested and will be submitted if received (for MMR vaccine).
DILUENT MRK