Received Oct 17, 2025
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| TDAP | TDAP (BOOSTRIX) | GLAXOSMITHKLINE BIOLOGICALS | UNK | 793PT | — |
Wrong vaccine administered; Boostrix to a fifteen month old patient/unapproved age; This non-serious case was reported by a nurse via call center representative and described the occurrence of wrong vaccine administered in a 15-month-old male patient who received DTPa (Reduced antigen) (Boostrix) (batch number 793PT, expiry date 29-AUG-2027) for prophylaxis. Co-suspect products included DTPa (Infanrix) for prophylaxis. On 16-JUN-2025, the patient received Boostrix. On an unknown date, the patient received Infanrix. On 16-JUN-2025, an unknown time after receiving Boostrix and not applicable after receiving Infanrix, the patient experienced wrong vaccine administered (Verbatim: Wrong vaccine administered) and inappropriate age at vaccine administration (Verbatim: Boostrix to a fifteen month old patient/unapproved age). The outcome of the wrong vaccine administered and inappropriate age at vaccine administration were not applicable. This report is made by GSK without prejudice and does not imply any admission or liability for the incident or its consequences. Additional Information: GSK Receipt Date: 19-SEP-2025 The nurse declared that the patient was going to receive his fourth dose of Infanrix.