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Report #2851461

Received Jul 28, 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
2 yrs
State
CA
Recovered
Unknown
Vaccinated
Jul 10, 2025
Onset
Jul 10, 2025
Days to onset
0
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
DTAPIPVDTAP + IPV (KINRIX)GLAXOSMITHKLINE BIOLOGICALSUNKY49BZ—

Symptoms (2)

Product administered to patient of inappropriate ageWrong product administered

Symptom narrative

Maladministration of a KINRIX vaccine to a twenty five month old patient (wrong vaccine administered on a wrong age); This non-serious case was reported by a nurse via call center representative and described the occurrence of inappropriate age at vaccine administration in a 25-month-old male patient who received DTPa-IPV (Kinrix) (batch number Y49BZ, expiry date 17-MAY-2026) for prophylaxis. Previously administered products included Vaxelis (received on 19-AUG-2023) and Engerix B (received 2 doses on an unknown date). Concomitant products included Pediarix. On 10-JUL-2025, the patient received Kinrix. On 10-JUL-2025, an unknown time after receiving Kinrix, the patient experienced inappropriate age at vaccine administration (Verbatim: Maladministration of a KINRIX vaccine to a twenty five month old patient (wrong vaccine administered on a wrong age)). The outcome of the inappropriate age at vaccine administration 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: 21-JUL-2025 The nurse reported that the twenty five month old patient received Kinrix vaccine, and at the same time we administered the Pediarix vaccine. The reporter was ask was there any safety concern. The patient was administered with a previous Vaxelis vaccine (no vaccine schedule/doses confirmed from the licensed practical nurse´s end). The vaccine administration facility was the same as primary reporter. The patient received dose of Kinrix vaccine at an inappropriate age, which led to inappropriate age at vaccine administration.

Other medications

PEDIARIX