Report #2891084

Received Mar 29, 2026

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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: 1.4 yrs
State: TX
Recovered: Not recovered
Vaccinated: Feb 5, 2025
Onset: Jul 1, 2025
Days to onset: 146
Hospital days: —

Vaccines (3)

Type	Name	Manufacturer	Dose	Lot	Route / Site
DTAPIPVHIB	DTAP + IPV + HIB (PENTACEL)	SANOFI PASTEUR	UNK	—	IM / LG
HEPA	HEP A (VAQTA)	MERCK & CO. INC.	UNK	—	LG
UNK	VACCINE NOT SPECIFIED (OTHER)	UNKNOWN MANUFACTURER	UNK	—	IM / LG

Symptoms (2)

Developmental regressionNervous system disorder

Symptom narrative

Regression in speech and neurological functioning

Current illness

None

Other medications

Allergies

None aware of

Lab data

Pending developmental evaluation and blood work.