Received May 6, 2026
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| YF | YELLOW FEVER (YF-VAX) | SANOFI PASTEUR | UNK | UK138AA | — |
administer a yellow fever vaccine that had expired, it was only three days past, with no reported adverse event; Initial information received on 03-Apr-2026 regarding an unsolicited valid non-serious case received from Pharmacist. This case involves a 22-year-old male patient who received Yellow Fever Vaccine [YF-Vax] that had expired three days past, with no reported adverse event. The patient's past medical history, past drugs, vaccination(s), family history, and concomitant medications were not provided. On 03-Apr-2026, the patient received an expired 0.5 mL (once) dose of Yellow Fever Vaccine Solution for injection of standard strength (batch: UK138AA, expiration date: 31-Mar-2026) via unknown route in unknown administration site for Immunization, with no reported adverse event (Expired product administered) (latency: same day). Action taken: Not reported. 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.
Comments: NONE