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Report #2864761

Received Oct 10, 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
Unknown
Age
Age unknown
State
WV
Recovered
Unknown
Vaccinated
—
Onset
—
Days to onset
—
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
HIBVHIB (ACTHIB)SANOFI PASTEURUNK—OT

Symptoms (1)

Product preparation error

Symptom narrative

acthib was mixed with sterile water instead of the 0.4% saline diluent it came with no reported ae; Initial information received on 07-Oct-2025 regarding an unsolicited valid non-serious case received from a nurse. This case involves an unknown age and unknown gender patient who administered with Hib (Prp/T) Vaccine [ACT-HIB] which was mixed with sterile water instead of the 0.4% saline diluent it came with no reported adverse event. The patient's past medical history, medical treatment(s), vaccination(s) and family history were not provided. On an unknown date, the patient received an unknown dose of suspect Hib (Prp/T) Vaccine, Powder and solvent for solution for injection, (lot number, expiry date and strength not reported) via unknown route in unknown administration site for Immunization which was mixed with sterile water instead of the 0.4% saline diluent it came 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 Reportedly,They wanted to make sure that either it is okay or invalid, if there is a need to readminister, and the potential side effects to watch out for. Action taken was 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.