Report #2887368

Received Mar 2, 2026

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: 4 yrs
State: CO
Recovered: Recovered
Vaccinated: Feb 24, 2026
Onset: Feb 24, 2026
Days to onset: 0
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
MMRV	MEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD)	MERCK & CO. INC.	2	Z013992	IM / LL

Symptoms (1)

Circumstance or information capable of leading to medication error

Symptom narrative

Pt moved during injection and much of the liquid did not enter the skin. Pt will be re-vaccinated

Current illness

unknown

Medical history

None

Other medications

N/a

Allergies

NKDA

Lab data

n/a