Received Jul 4, 2025
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| DTAP | DTAP (INFANRIX) | GLAXOSMITHKLINE BIOLOGICALS | UNK | 9PT2F | — |
Maladministration in a eleven year old patient (Age administration error/Underdose); was given a Dtap instead of Tdap; This non-serious case was reported by a other health professional via call center representative and described the occurrence of inappropriate age at vaccine administration in a 11-year-old male patient who received DTPa (Infanrix) (batch number 9PT28, expiry date 10-MAR-2026) and (batch number 9PT2F, expiry date 10-MAR-2026) for prophylaxis. Co-suspect products included DTPa (Reduced antigen) (Tdap Vaccine) for prophylaxis. On 24-JUN-2025, the patient received Infanrix (intramuscular use) .5 ml. On an unknown date, the patient received Tdap Vaccine. On 24-JUN-2025, an unknown time after receiving Infanrix and not applicable after receiving Tdap Vaccine, the patient experienced inappropriate age at vaccine administration (Verbatim: Maladministration in a eleven year old patient (Age administration error/Underdose)) and wrong vaccine administered (Verbatim: was given a Dtap instead of Tdap). The outcome of the inappropriate age at vaccine administration and wrong vaccine administered 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: 24-JUN-2025 and 26-JUN-2025 The patient had no adverse effects, was given a Dtap instead of Tdap, whc=ich led wrong vaccine administered. Infanrix vaccine administered to an eleven year old patient, which led inappropriate age at vaccine administered, with the dosage difference, The reporter asked how effective it was. The reporter reported he/she gave the lower dose he/she guesses. The reporter asked was there any advice for this. The reporter consented to follow up.