Report #2897534

Received May 22, 2026

ER / ED visit

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: 1.3 yrs
State: MA
Recovered: Recovered
Vaccinated: May 22, 2026
Onset: May 22, 2026
Days to onset: 0
Hospital days: —

Vaccines (2)

Type	Name	Manufacturer	Dose	Lot	Route / Site
DTAPIPVHIB	DTAP + IPV + HIB (PENTACEL)	SANOFI PASTEUR	4	UK43YAA	IM / RL
PNC20	PNEUMO (PREVNAR20)	PFIZER\WYETH	4	MN0723	IM / LL

Symptoms (9)

Adenovirus test positiveCulture urineFebrile convulsionInfluenza A virus test negativeInfluenza B virus test negativePyrexiaRespiratory syncytial virus test negativeSARS-CoV-2 test negativeUrine analysis

Symptom narrative

Febrile seizure 24 hrs post vaccination. Fevers persisted for 6 days post vaccination. Positive for adenovirus 5 days post vaccination in ED.

Current illness

none

Medical history

none

Other medications

none

Allergies

none

Lab data

Urinalysis, urine culture, 4Plex (COVID, RSV, FLU A, FLU B) negative. Respiratory panel done in ED on 5/9 - + adenovirus.