Report #2882147

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: CA
Recovered: Unknown
Vaccinated: Jan 12, 2026
Onset: Jan 13, 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.	1	Z012062	IM / RL

Symptoms (5)

Injection site erythemaInjection site painInjection site rashInjection site swellingInjection site warmth

Symptom narrative

Sever rash on right thigh redness, swollen warm touch and painful

Current illness

None

Medical history

None

Other medications

No Known Allergies

Allergies

No Known Allergies

Lab data

Vaccine ProQuad MMR/Varicella