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Report #2892376

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
PA
Recovered
Unknown
Vaccinated
Mar 27, 2026
Onset
Mar 27, 2026
Days to onset
0
Hospital days

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
TDTD ADSORBED (TENIVAC)SANOFI PASTEURUNKU8021BA

Symptoms (2)

Expired product administeredNo adverse event

Symptom narrative

inadvertently administering an expired TENIVAC, with no reported adverse event; Initial information received on 30-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 inadvertently administered an expired diphtheria-2/tetanus-5 adsorbed toxoids no preservative adult [Tenivac] with no reported adverse event. The patient's past medical history, medical treatment(s), vaccination(s), and family history were not provided. On 27-Mar-2026, the patient received a 0.5 mL dose of diphtheria-2/tetanus-5 adsorbed toxoids no preservative adult suspension for injection (batch number: U8021BA, expiry date: 16-Mar-2026) (strength: unknown) via unknown route in an unknown administration site for immunization with no reported adverse event (Expired product administered) (latency- same day). 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.