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Report #2881831

Received Jan 14, 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
0.2 yrs
State
CO
Recovered
Unknown
Vaccinated
Jan 8, 2026
Onset
Jan 8, 2026
Days to onset
0
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
DTAPIPVDTAP + IPV (KINRIX)GLAXOSMITHKLINE BIOLOGICALS13C423LL

Symptoms (2)

Product administered to patient of inappropriate ageWrong product administered

Symptom narrative

Two month old was administered Kinrix instead of a Pediarix; Two month old was given Kinrix; 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 2-month-old female patient who received DTPa-IPV (Kinrix) (batch number 3C423, expiry date 06-SEP-2027) for prophylaxis. Co-suspect products included DTPa-HBV-IPV (Pediarix) for prophylaxis. On 08-JAN-2026, the patient received the 1st dose of Kinrix (left thigh) .5 ml. The patient did not receive Pediarix. On 08-JAN-2026, an unknown time after receiving Kinrix, the patient experienced wrong vaccine administered (Verbatim: Two month old was administered Kinrix instead of a Pediarix) and inappropriate age at vaccine administration (Verbatim: Two month old was given Kinrix). The outcome of the wrong vaccine administered 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 08-JAN-2026 The reporter medical assistant reported on the behalf of administering medical assistant. The batch number was not provided and a request for this information has been made.