Report #2897517

Received May 22, 2026

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: 23 yrs
State: —
Recovered: Unknown
Vaccinated: —
Onset: —
Days to onset: —
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
DTAP	DTAP (INFANRIX)	GLAXOSMITHKLINE BIOLOGICALS	1	—	—

Symptoms (1)

Wrong product administered

Symptom narrative

Wrong product administered; This non-serious case was reported by a pharmacist via sales rep and described the occurrence of wrong vaccine administered in a 23-year-old female patient who received DTPa (Infanrix) for prophylaxis. Co-suspect products included DTPa (Reduced antigen) (Tdap Vaccine) for prophylaxis. On an unknown date, the patient received the 1st dose of Infanrix (unknown arm) and did not receive Tdap Vaccine. On an unknown date, an unknown time after receiving Infanrix, the patient experienced wrong vaccine administered (Verbatim: Wrong product administered). 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: 15-MAY-2026 The batch number was not provided upon follow up with the reporter.