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Report #2883594

Received Feb 2, 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
Jul 30, 2025
Onset
Jul 30, 2025
Days to onset
0
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
IPVPOLIO VIRUS, INACT. (IPOL)SANOFI PASTEURUNKW1A101MOT

Symptoms (2)

Expired product administeredNo adverse event

Symptom narrative

administration of an expired dose of IPOL with no reported adverse event; Initial information received on 27-Jan-2026 regarding an unsolicited valid non-serious case received from a nurse. This case involves an unknown age and unknown gender patient with administration of an expired dose of IPV (VERO) [IPOL] with no reported adverse event. The patient's past medical history, medical treatment(s), vaccination(s) and family history were not provided. On 30-Jul-2025, the patient received expired dose of IPV (VERO) Suspension for injection lot W1A101M expiry date-10-Feb-2025 (strength, dose unknown) via unknown route in unknown administration site for immunization with no reported adverse event (expired product administered) (latency same day). It was reported "Nurse stated that he did not want to give patient information because he had not reached out to patient as of yet. Nurse stated that he could provide the information at a later time" 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.