Received Nov 14, 2025
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| DTAP | DTAP (INFANRIX) | GLAXOSMITHKLINE BIOLOGICALS | 6 | 73SX2 | — |
Vaccine Maladministration/inadvertent administration of a dose of INFANRIX instead of the scheduled BOOSTRIX; This non-serious case was reported by a other health professional via call center representative and described the occurrence of wrong vaccine administered in a 12-year-old female patient who received DTPa (Infanrix) (batch number 73SX2, expiry date 24-MAR-2026) for prophylaxis. Co-suspect products included DTPa (Reduced antigen) (Boostrix) for prophylaxis. Previously administered products included Infanrix (completed the 5-vaccine series). On 27-AUG-2025, the patient received the 6th dose of Infanrix. On an unknown date, the patient did not receive Boostrix. On 27-AUG-2025, an unknown time after receiving Infanrix and not applicable after receiving Boostrix, the patient experienced wrong vaccine administered (Verbatim: Vaccine Maladministration/inadvertent administration of a dose of INFANRIX instead of the scheduled BOOSTRIX). The outcome of the wrong vaccine administered was 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: 11-NOV-2025 The reporter was a nurse called to report the inadvertent administration of a dose of INFANRIX instead of the scheduled BOOSTRIX. The reporter wanted to know if this dose 6th was valid or if revaccination was required.