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Report #2884940

Received Feb 9, 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
71 yrs
State
CA
Recovered
Unknown
Vaccinated
Feb 3, 2026
Onset
Feb 3, 2026
Days to onset
0
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
TDAPTDAP (BOOSTRIX)GLAXOSMITHKLINE BIOLOGICALSUNKJE742—

Symptoms (2)

Injection site dischargeUnderdose

Symptom narrative

don't know the volume/quantity is get into the patient arm; the liquid is coming out her arm; the liquid is coming out her arm; This non-serious case was reported by a pharmacist via call center representative and described the occurrence of accidental underdose in a 71-year-old female patient who received DTPa (Reduced antigen) (Boostrix) (batch number JE742, expiry date 03-JAN-2028) for prophylaxis. On 03-FEB-2026, the patient received Boostrix. On 03-FEB-2026, an unknown time after receiving Boostrix, the patient experienced accidental underdose (Verbatim: don't know the volume/quantity is get into the patient arm), exposure via skin contact (Verbatim: the liquid is coming out her arm) and inadvertent exposure to vaccine (Verbatim: the liquid is coming out her arm). The outcome of the accidental underdose, exposure via skin contact and inadvertent exposure to vaccine 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: 04-FEB-2026 Registered pharmacist called to asked about the following one of their pharmacists gave a Boostrix vaccine and the patient complaint that the liquid was coming out her arm, she did not feel any pain or anything when they gave the vaccine, so because patient do not know the volume/quantity was get into the patient arm, the reporter asked that what they should do about, they give another dose. Vaccination date, vaccine detail and patient demographics were obtained in this call.