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Report #2892372

Received Apr 10, 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
Unknown
Age
Age unknown
State
CO
Recovered
Unknown
Vaccinated
Mar 24, 2026
Onset
Mar 24, 2026
Days to onset
0
Hospital days

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
HIBVHIB (ACTHIB)SANOFI PASTEURUNK

Symptoms (2)

No adverse eventProduct preparation issue

Symptom narrative

received a dose of act-hib which was reconstituted using sterile water ," instead of the diluent that comes with the vaccine with no reported adverse event; Initial information received on 25-Mar-2026 regarding an unsolicited valid non-serious case received from other healthcare professional. This case involves a patient of unknown age and unknown gender who received a dose of HIB (PRP/T) vaccine [ACT-HIB] which was reconstituted using sterile water, instead of the diluent that comes with the vaccine with no reported adverse event. The patient's past medical history, medical treatment(s), vaccination(s), family history were not provided. On 24-Mar-2026, the patient received an unknown dose of HIB (PRP/T) vaccine powder and solvent for solution for injection (batch/expiry: unknown) (strength: unknown) via unknown route in an unknown administration site for immunization which was reconstituted using sterile water, instead of the diluent that comes with the vaccine with no reported adverse event (Product preparation error) (latency- same day). Information on the batch number was requested corresponding to the one at time of event occurrence. Action taken: Not applicable. This suspected adverse reaction report is submitted and classified as a medication error solely and exclusively to ensure the marketing authorization holder's compliance with the requirements set out in the Directive 2001/83/EC and Module VI of the Good Pharmacovigilance Practices. The classification as a medical error is in no way intended, nor should it be interpreted or construed as an allegation or claim made by the marketing authorization holder that any third party has contributed to or is to be held liable for the occurrence of this medication error.

Medical history

Comments: NONE