Received Dec 22, 2025
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| YF | YELLOW FEVER (YF-VAX) | SANOFI PASTEUR | 1 | — | OT |
a subcutaneous injection is fully injected if there is a slight drop on the skin with no reported adverse event; a subcutaneous injection is fully injected if there is a slight drop on the skin with no reported adverse event; Initial information received on 14-Dec-2025 regarding an unsolicited valid non-serious case received from a pharmacist. This case involves a 14 years old male patient who had a subcutaneous injection of yellow fever vaccine - [YF-VAX] was fully injected and there was a slight drop on the skin 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 in 2025, the patient received an unknown dose 1 of yellow fever vaccine - Solution for injection (strength, expiry date and lot number not reported) via subcutaneous route in unknown administration site for Prophylactic vaccination (Immunization)and there was a slight drop on the skin with no reported adverse event (accidental exposure to product) (exposure via skin contact) (same day latency). It was reported that, "trying to get another dose now because they are uncertain if they fully got the first dose. They also asked where the patient can get serologic testing and if there is any safety data of patient receiving two doses of the vaccine and what do they do regarding yellow fever card if patient was to get the second vaccination." Information on the batch number was requested corresponding to the one at time of event occurrence. 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.