Report #2864031

Received Oct 7, 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: 9 yrs
State: AZ
Recovered: Unknown
Vaccinated: Oct 1, 2025
Onset: Oct 1, 2025
Days to onset: 0
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
MMRV	MEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD)	MERCK & CO. INC.	1	Y009589	RA

Symptoms (1)

Wrong product administered

Symptom narrative

Child received the wrong vaccination against parents instruction. The parents requested that the child receive the MMR vaccine alone. Instead they received the ProQuad (MMR + Varicella).

Current illness

none

Medical history

none

Other medications

none

Allergies

none

Lab data

Child is being monitored for any adverse effects.