Report #2857360

Received Sep 8, 2025

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: Female
Age: 1.3 yrs
State: MA
Recovered: Unknown
Vaccinated: Aug 28, 2025
Onset: Aug 28, 2025
Days to onset: 0
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
HIBV	HIB (ACTHIB)	SANOFI PASTEUR	4	UK304AA	IM / RL

Symptoms (1)

Product preparation issue

Symptom narrative

Patient potentially only received the diluent as an extra vial of unconstituted vaccine was found on 9/8/2025 and only 2 patients received the Hib vaccine from this box

Report #2857360

Overview

Vaccines (1)

Symptoms (1)

Symptom narrative

Current illness

Medical history

Other medications

Allergies

Lab data