Report #2876365

Received Dec 4, 2025

A note on interpretation. VAERS reports are unverified and may be incomplete or coincidental. A report does not establish that a vaccine caused an event, and counts should not be used to calculate incidence or infer causation. Full disclaimer

Overview

Sex: Female
Age: 11 yrs
State: NJ
Recovered: Unknown
Vaccinated: Sep 7, 2025
Onset: Sep 7, 2025
Days to onset: 0
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
DTAP	DTAP (INFANRIX)	GLAXOSMITHKLINE BIOLOGICALS	UNK	TX77L	—

Symptoms (1)

Wrong product administered

Symptom narrative

patient received a Infanrix instead of Adacel/ wrong vaccine; 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 11-year-old female patient who received DTPa (Infanrix) (batch number TX77L, expiry date 01-DEC-2025) for prophylaxis. Co-suspect products included Diphtheria vaccine toxoid, Pertussis vaccine acellular 5-component, Tetanus vaccine toxoid (Adacel) for prophylaxis. On 07-SEP-2025, the patient received Infanrix. The patient did not receive Adacel. On 07-SEP-2025, an unknown time after receiving Infanrix, the patient experienced wrong vaccine administered (Verbatim: patient received a Infanrix instead of Adacel/ wrong vaccine). 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: 01-DEC-2025 Practice manager reported a patient received a Infanrix instead of Adacel which was discovered on Friday 28-NOV-2025.