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
1 yrs
State
WI
Recovered
Recovered
Vaccinated
Oct 13, 2025
Onset
Oct 14, 2025
Days to onset
1
Hospital days
—
Vaccines (1)
Type
Name
Manufacturer
Dose
Lot
Route / Site
MMR
MEASLES + MUMPS + RUBELLA (MMR II)
MERCK & CO. INC.
1
Y007623
LL
Symptoms (3)
Injection site erythemaInjection site swellingSeizure
Symptom narrative
Large bump in thigh after event, redness. Seizures occurring/starting around same time of first MMR vaccination.