Received May 22, 2026
Reports are unverified and do not show that a vaccine caused an event. Full disclaimer
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| MMRV | MEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD) | MERCK & CO. INC. | UNK | — | — |
| VARCEL | VARICELLA (VARIVAX) | MERCK & CO. INC. | UNK | — | — |
Patient erroneously received the varicella vaccine in addition to the Proquad (Measles, Mumps, Rebella, and Varicella), thus receiving two doses of the varicella vaccine. The mother was contacted who reported the patient was well and didn't experience any adverse reactions, ill symptoms, or seizures.