Report #2881135

Received Jan 8, 2026

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: Age unknown
State: WI
Recovered: Unknown
Vaccinated: —
Onset: —
Days to onset: —
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
HIBV	HIB (HIBERIX)	GLAXOSMITHKLINE BIOLOGICALS	UNK	J7JF7	—

Symptoms (1)

Product preparation issue

Symptom narrative

inappropriate reconstitution technique/diluent only was administered; inappropriate reconstitution technique/diluent only was administered; This non-serious case was reported by a nurse via call center representative and described the occurrence of inappropriate preparation of medication in a male patient who received Hib (Hiberix) (batch number J7JF7, expiry date 15-JUL-2026) for prophylaxis. The patient received Hiberix. The patient experienced inappropriate preparation of medication (Verbatim: inappropriate reconstitution technique/diluent only was administered) and inappropriate dose of vaccine administered (Verbatim: inappropriate reconstitution technique/diluent only was administered). Additional Information: GSK Receipt Date: 06-JAN-2026 The reporter mentioned that the Hiberix was maladministered to three patients possibly, diluent only was administered. Three patients were impacted but were not aware of who exactly received the diluent only. This case is 1 of 3 cases reported by same reporter.; Sender's Comments: US-GSK-US2026001207:Same reporter US-GSK-US2026001200:Same reporter