Report #2861478

Received Sep 25, 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: Age unknown
State: CA
Recovered: Unknown
Vaccinated: Sep 2, 2025
Onset: Sep 3, 2025
Days to onset: 1
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
DTAPIPV	DTAP + IPV (KINRIX)	GLAXOSMITHKLINE BIOLOGICALS	UNK	4L454	—

Symptoms (1)

Product administered to patient of inappropriate age

Symptom narrative

administration below the recommended age range; This non-serious case was reported by a other health professional via call center representative and described the occurrence of inappropriate age at vaccine administration in a 4-month-old male patient who received DTPa-IPV (Kinrix) (batch number 4L454, expiry date 16-OCT-2026) for prophylaxis. On 02-SEP-2025, the patient received Kinrix. On 03-SEP-2025, 1 days after receiving Kinrix, the patient experienced inappropriate age at vaccine administration (Verbatim: administration below the recommended age range). 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: 10-SEP-2025 Reporter stated that 4 month old patient received Kinrix instead of individual DTaP and IPV vaccine.