Received Jun 9, 2026
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| YF | YELLOW FEVER (YF-VAX) | SANOFI PASTEUR | UNK | — | — |
yf-vax was diluted with sterile water rather than supply diluent with no ae; Initial information received on 03-Jun-2026 regarding an unsolicited valid non-serious case received from a healthcare professional (health care professional). This case involves a patient of unknown age and unknown gender who had received YELLOW FEVER VACCINE - (YF-VAX) was diluted with sterile water rather than supply diluent with no ae (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 a dose (dose: unknown, frequency: unknown) of YELLOW FEVER VACCINE - [YF-VAX] solution for injection (batch/lot number: unknown, expiry date: unknown) (strength: unknown) via unknown route in an unknown administration site for immunization, due to administration of vaccine diluted with sterile water. YF-VAX was diluted with sterile water rather than supply diluent with no ae (product preparation issue, onset date: unknown, 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 medication 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