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Report #2879630

Received Dec 26, 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
Female
Age
1 yrs
State
PA
Recovered
Unknown
Vaccinated
Sep 23, 2025
Onset
Sep 23, 2025
Days to onset
0
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
DTAPDTAP (INFANRIX)GLAXOSMITHKLINE BIOLOGICALSUNKM52GG—

Symptoms (2)

Circumstance or information capable of leading to medication errorUnderdose

Symptom narrative

only a partial dose of Infanrix was administered to a patient due to the child movement during vaccine administration/ child moved their leg and some of the vaccine spilled onto the table; This non-serious case was reported by a nurse via call center representative and described the occurrence of accidental underdose in a 1-year-old female patient who received DTPa (Infanrix) (batch number M52GG, expiry date 07-SEP-2026) for prophylaxis. Concomitant products included HIB vaccine conj (tet tox) (Acthib). On 23-SEP-2025, the patient received Infanrix. On 23-SEP-2025, an unknown time after receiving Infanrix, the patient experienced accidental underdose (Verbatim: only a partial dose of Infanrix was administered to a patient due to the child movement during vaccine administration/ child moved their leg and some of the vaccine spilled onto the table). The outcome of the accidental underdose 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: 17-DEC-2025 The medical assistant who had performed the vaccine administration had stated to the registered nurse that two-thirds of the vaccine had spilled onto the table and the patient had not received the full dose.

Other medications

ACTHIB