Received Feb 9, 2026
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| IPV | POLIO VIRUS, INACT. (IPOL) | SANOFI PASTEUR | UNK | — | OT |
patient received 1 mL of IPOL instead of 0.5 mL with no reported adverse event; Initial information received on 05-Feb-2026 regarding an unsolicited valid non-serious case received from a physician. This case involves a 12 years old and unknown gender patient who received 1 ml of IPV (Vero) [IPOL] instead of 0.5 ml 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, the patient received 1mL of suspect IPV (Vero), Suspension for injection (lot number, expiry date and strength not reported) via for Immunisation, instead of 0.5 ml with no reported adverse event (incorrect dose administered) (latency same day). Information on the batch number was requested corresponding to the one at time of event occurrence. It was reported "They were calling to ask what side effects they should be on the look out for. Doctor asked if there was anything that they should look out for? She asked if there was information regarding overdoses rather than extra doses and if there were any reports of anaphylaxis or anything life-threatening. She asked how long should she monitor the patient." 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.