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Report #2870386

Received Nov 3, 2025

Office visit
A note on interpretation. VAERS reports are unverified and may be incomplete or coincidental. A report does not establish that a vaccine caused an event, and counts should not be used to calculate incidence or infer causation. Full disclaimer

Overview

Sex
Male
Age
1.1 yrs
State
CA
Recovered
Unknown
Vaccinated
Nov 3, 2025
Onset
Nov 3, 2025
Days to onset
0
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
MMRVMEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD)MERCK & CO. INC.UNK——

Symptoms (2)

No adverse eventProduct preparation error

Symptom narrative

Immunized 13 mo old child with MMRV and Varicella, vaccines were verified separately and MMRV was given instead of MMR. Pediatrician advised and patient counseled. No adverse reaction in clinic.