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Report #2866897

Received Oct 20, 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
Male
Age
3 yrs
State
—
Recovered
Unknown
Vaccinated
Sep 18, 2025
Onset
Sep 18, 2025
Days to onset
0
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
TDAPTDAP (BOOSTRIX)GLAXOSMITHKLINE BIOLOGICALSUNKX449Y—

Symptoms (1)

Wrong product administered

Symptom narrative

was given Boostrix instead of Kinrix; This non-serious case was reported by a nurse via call center representative and described the occurrence of wrong vaccine administered in a 4-year-old male patient who received DTPa (Reduced antigen) (Boostrix) (batch number X449Y) for prophylaxis. Co-suspect products included DTPa-IPV (Kinrix) for prophylaxis. Previously administered products included DTaP vaccine (received 1st dose of vaccine on an unknown date), DTaP vaccine (received 2nd dose of vaccine on an unknown date), DTaP vaccine (received 3rd dose of vaccine on an unknown date) and DTaP vaccine (received 4th dose of vaccine on an unknown date). On 18-SEP-2025, the patient received Boostrix. On an unknown date, the patient received Kinrix. On 18-SEP-2025, an unknown time after receiving Boostrix and not applicable after receiving Kinrix, the patient experienced wrong vaccine administered (Verbatim: was given Boostrix instead of Kinrix). 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-OCT-2025 A pediatric nurse practitioner called and reported that 4-year-old who was given Boostrix instead of Kinrix. Reporter's coworker noted that the HCP had mentioned the patient had already received four doses of DTaP.