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
Not recovered
Vaccinated
Nov 4, 2025
Onset
Nov 5, 2025
Days to onset
1
Hospital days
—
Vaccines (1)
Type
Name
Manufacturer
Dose
Lot
Route / Site
DTAP
DTAP (DAPTACEL)
SANOFI PASTEUR
4
4CA03C2
IM / LA
Symptoms (4)
Injection site erythemaInjection site indurationInjection site swellingInjection site warmth
Symptom narrative
Red, swollen/hard, hot to the touch, about 3 in long and two inches wide around the vaccine site