VAERS Explorer
Back to explore

Report #2890816

Received Mar 25, 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
Female
Age
4 yrs
State
CA
Recovered
Unknown
Vaccinated
Mar 23, 2026
Onset
Mar 24, 2026
Days to onset
1
Hospital days

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
MMRVMEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD)MERCK & CO. INC.1Z015174SC / LL

Symptoms (5)

Injection site erythemaInjection site indurationInjection site painInjection site pruritusInjection site warmth

Symptom narrative

Patient developed localized allergic reaction- 18 cm x 10 cm area on left upper thigh of erythema, induration, warmth, pruritic, tender. Onset approximately 24 hours after vaccine administration.

Current illness

no

Medical history

no

Other medications

no

Allergies

no

Lab data

N/A