Report #2882159

Received Jan 16, 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: SC
Recovered: Recovered
Vaccinated: Oct 22, 2025
Onset: Oct 1, 2025
Days to onset: —
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
MMRV	MEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD)	MERCK & CO. INC.	2	Y013584	SC / LL

Symptoms (3)

Injection site pruritusInjection site reactionUrticaria

Symptom narrative

Patient developed a large welt and itching at the injection site.

Current illness

None

Medical history

None

Other medications

None

Allergies

Egg allergy (anaphylactic shock), almond, black walnut, lentils, milk containing products (Dairy), oats, peanut, sunflower oil

Lab data

N/A