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
—
Recovered
Recovered
Vaccinated
Apr 13, 2026
Onset
Apr 13, 2026
Days to onset
0
Hospital days
—
Vaccines (1)
Type
Name
Manufacturer
Dose
Lot
Route / Site
MMRV
MEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD)
MERCK & CO. INC.
1
Z009174
SC
Symptoms (2)
Febrile convulsionPyrexia
Symptom narrative
Suspected febrile seizure later that evening, presented to ER and cleared