Report #2866180

Received Oct 15, 2025

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: Female
Age: 1 yrs
State: NV
Recovered: Unknown
Vaccinated: Oct 10, 2025
Onset: Oct 10, 2025
Days to onset: 0
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
MMR	MEASLES + MUMPS + RUBELLA (MMR II)	MERCK & CO. INC.	2	z005718	SC / LL

Symptoms (1)

Extra dose administered

Symptom narrative

MA went to vaccinate the sibling, but MOP asked for the other child to go first. MA forgot to switch the vaccines and accidentally administered an extra MMR.