Report #2881291

Received Jan 9, 2026

ER / ED 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: 2 yrs
State: UT
Recovered: Recovered
Vaccinated: Dec 22, 2025
Onset: Dec 25, 2025
Days to onset: 3
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
MMR	MEASLES + MUMPS + RUBELLA (MMR II)	MERCK & CO. INC.	1	Y015834	IM / RL

Symptoms (5)

DehydrationHypophagiaIrritabilityPyrexiaRash

Symptom narrative

Received the vaccine on Monday morning, was fine until Thursday and started with fever/irritability. Friday night had a high fever 101, started seeing the rash on Saturday, Sunday morning had a high 103.1 fever and then Sunday evening we went to emergency room for dehydration because we couldn?t get him to drink anything.

Current illness

None

Medical history

None

Other medications

None

Allergies

None known