Report #2826908

Received Feb 18, 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: 37 yrs
State: KS
Recovered: Unknown
Vaccinated: Feb 4, 2025
Onset: Feb 4, 2025
Days to onset: 0
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
TDAP	TDAP (BOOSTRIX)	GLAXOSMITHKLINE BIOLOGICALS	UNK	L5229	—

Symptoms (1)

Underdose

Symptom narrative

approximately half of the volume of a Boostrix dose was administered; This non-serious case was reported by a other health professional via call center representative and described the occurrence of underdose in a 37-year-old female patient who received DTPa (Reduced antigen) (Boostrix) (batch number L5229, expiry date 19-APR-2027) for prophylaxis. On 04-FEB-2025, the patient received Boostrix. On 04-FEB-2025, an unknown time after receiving Boostrix, the patient experienced underdose (Verbatim: approximately half of the volume of a Boostrix dose was administered). The outcome of the underdose was unknown. 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-2025 A Medical assistant reported that a patient received approximately half of the volume of a Boostrix dose which led to underdose. The reporter asked for recommendations on this situation.