Received May 19, 2025
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| TDAP | TDAP (BOOSTRIX) | GLAXOSMITHKLINE BIOLOGICALS | UNK | 235DZ | — |
A 15 months old female patient received a dose of Boostrix; A 15 months old female patient received a dose of Boostrix; A 15 months old female patient received a dose of 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 15-month-old female patient who received DTPa (Reduced antigen) (Boostrix) (batch number 235DZ, expiry date 10-JAN-2027) for prophylaxis. Co-suspect products included DTPa (DTaP vaccine) for prophylaxis. On an unknown date, the patient received Boostrix and DTaP vaccine. On an unknown date, an unknown time after receiving Boostrix and not applicable after receiving DTaP vaccine, the patient experienced wrong vaccine administered (Verbatim: A 15 months old female patient received a dose of Boostrix), accidental underdose (Verbatim: A 15 months old female patient received a dose of Boostrix) and inappropriate age at vaccine administration (Verbatim: A 15 months old female patient received a dose of Boostrix). The outcome of the wrong vaccine administered, accidental underdose 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: 14-MAY-2025 A Medical Assistant called to report that a 15 months old patient received by mistake Boostrix instead of the DTaP vaccine, which led to inappropriate age at vaccine administration, wrong vaccine administered and accidental underdose. It was the 4th dose for the patient because the patient has already 3 previous doses of DTaP. The reporter asked if they had any information regarding this situation. The reporter consented to follow up.