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
0.3 yrs
State
TX
Recovered
Not recovered
Vaccinated
Dec 1, 2025
Onset
Dec 1, 2025
Days to onset
0
Hospital days
—
Vaccines (1)
Type
Name
Manufacturer
Dose
Lot
Route / Site
RSV
RSV (MRESVIA)
MODERNA
1
—
SYR / UN
Symptoms (5)
DeathHypersomniaLethargyPyrexiaSudden infant death syndrome
Symptom narrative
Baby was lethargic, had difficulty staying awake, low grade fever.
Current illness
None
Medical history
None
Other medications
None
Allergies
None
Lab data
Baby passed of SIDS around 2AM on December 5, 2025.