Report #2883330

Received Jan 28, 2026

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: 4 yrs
State: CA
Recovered: Unknown
Vaccinated: Jan 26, 2026
Onset: Jan 27, 2026
Days to onset: 1
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
MMRV	MEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD)	MERCK & CO. INC.	2	Z012113	SC / RA

Symptoms (5)

Injection site erythemaInjection site indurationInjection site painInjection site swellingInjection site warmth

Symptom narrative

Erythema, swelling, tenderness, warmth and induration extending beyond injection site to anterior, lateral and a portion of the posterior upper arm

Other medications

NONE

Allergies

NKDA